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Mixed Number Subtraction

Name Grade School
Date Questions20 Score
1
10 3/6 - 6 4/9 =
   
2
10 8/10 - 6 3/8 =
   
3
3 2/7 - 2 6/10 =
   
4
8 5/6 - 3 6/8 =
   
5
10 5/8 - 4 6/9 =
   
6
8 3/9 - 2 3/6 =
   
7
6 5/6 - 4 4/5 =
   
8
8 2/3 - 7 3/5 =
   
9
4 8/10 - 1 5/9 =
   
10
7 8/10 - 5 6/9 =
   
11
4 3/5 - 3 5/10 =
   
12
3 5/7 - 2 5/6 =
   
13
4 2/6 - 1 7/10 =
   
14
7 7/8 - 4 2/5 =
   
15
8 4/8 - 8 2/9 =
   
16
10 5/8 - 9 9/10 =
   
17
10 4/10 - 7 7/9 =
   
18
9 2/3 - 2 2/9 =
   
19
3 5/10 - 1 3/4 =
   
20
9 2/5 - 5 7/9 =
   

Answers Key
Show All Workout
1
10 3/6 - 6 4/9 =
4 1/18
Steps
Convert the mixed fraction into fraction
10
36
=
(10 x 6) + 36
=
60 + 36
=
636
6
49
=
(6 x 9) + 49
=
54 + 49
=
589
636
-
589
Find the lcm for both denominators
LCM(6, 9) = 18
Make all the denominators equal to each other
636
=
63 x 186 x 18
=
63 x 318
=
18918
589
=
58 x 189 x 18
=
58 x 218
=
11618
18918
-
11618
=
189 - 11618
=
7318
Convert the fraction into mixed fraction
7318
=
7218
+
118
= 4
118
∴
10
36
-
6
49
=
4
118
2
10 8/10 - 6 3/8 =
4 17/40
Steps
Convert the mixed fraction into fraction
10
810
=
(10 x 10) + 810
=
100 + 810
=
10810
6
38
=
(6 x 8) + 38
=
48 + 38
=
518
10810
-
518
Find the lcm for both denominators
LCM(10, 8) = 40
Make all the denominators equal to each other
10810
=
108 x 4010 x 40
=
108 x 440
=
43240
518
=
51 x 408 x 40
=
51 x 540
=
25540
43240
-
25540
=
432 - 25540
=
17740
Convert the fraction into mixed fraction
17740
=
16040
+
1740
= 4
1740
∴
10
810
-
6
38
=
4
1740
3
3 2/7 - 2 6/10 =
24/35
Steps
Convert the mixed fraction into fraction
3
27
=
(3 x 7) + 27
=
21 + 27
=
237
2
610
=
(2 x 10) + 610
=
20 + 610
=
2610
237
-
2610
Find the lcm for both denominators
LCM(7, 10) = 70
Make all the denominators equal to each other
237
=
23 x 707 x 70
=
23 x 1070
=
23070
2610
=
26 x 7010 x 70
=
26 x 770
=
18270
23070
-
18270
=
230 - 18270
=
4870
simplify the fraction
GCF(48, 70) = 2
4870
=
48 ÷ 270 ÷ 2
=
2435
∴
3
27
-
2
610
=
2435
4
8 5/6 - 3 6/8 =
5 1/12
Steps
Convert the mixed fraction into fraction
8
56
=
(8 x 6) + 56
=
48 + 56
=
536
3
68
=
(3 x 8) + 68
=
24 + 68
=
308
536
-
308
Find the lcm for both denominators
LCM(6, 8) = 24
Make all the denominators equal to each other
536
=
53 x 246 x 24
=
53 x 424
=
21224
308
=
30 x 248 x 24
=
30 x 324
=
9024
21224
-
9024
=
212 - 9024
=
12224
simplify the fraction
GCF(122, 24) = 2
12224
=
122 ÷ 224 ÷ 2
=
6112
Convert the fraction into mixed fraction
6112
=
6012
+
112
= 5
112
∴
8
56
-
3
68
=
5
112
5
10 5/8 - 4 6/9 =
5 23/24
Steps
Convert the mixed fraction into fraction
10
58
=
(10 x 8) + 58
=
80 + 58
=
858
4
69
=
(4 x 9) + 69
=
36 + 69
=
429
858
-
429
Find the lcm for both denominators
LCM(8, 9) = 72
Make all the denominators equal to each other
858
=
85 x 728 x 72
=
85 x 972
=
76572
429
=
42 x 729 x 72
=
42 x 872
=
33672
76572
-
33672
=
765 - 33672
=
42972
simplify the fraction
GCF(429, 72) = 3
42972
=
429 ÷ 372 ÷ 3
=
14324
Convert the fraction into mixed fraction
14324
=
12024
+
2324
= 5
2324
∴
10
58
-
4
69
=
5
2324
6
8 3/9 - 2 3/6 =
5 5/6
Steps
Convert the mixed fraction into fraction
8
39
=
(8 x 9) + 39
=
72 + 39
=
759
2
36
=
(2 x 6) + 36
=
12 + 36
=
156
759
-
156
Find the lcm for both denominators
LCM(9, 6) = 18
Make all the denominators equal to each other
759
=
75 x 189 x 18
=
75 x 218
=
15018
156
=
15 x 186 x 18
=
15 x 318
=
4518
15018
-
4518
=
150 - 4518
=
10518
simplify the fraction
GCF(105, 18) = 3
10518
=
105 ÷ 318 ÷ 3
=
356
Convert the fraction into mixed fraction
356
=
306
+
56
= 5
56
∴
8
39
-
2
36
=
5
56
7
6 5/6 - 4 4/5 =
2 1/30
Steps
Convert the mixed fraction into fraction
6
56
=
(6 x 6) + 56
=
36 + 56
=
416
4
45
=
(4 x 5) + 45
=
20 + 45
=
245
416
-
245
Find the lcm for both denominators
LCM(6, 5) = 30
Make all the denominators equal to each other
416
=
41 x 306 x 30
=
41 x 530
=
20530
245
=
24 x 305 x 30
=
24 x 630
=
14430
20530
-
14430
=
205 - 14430
=
6130
Convert the fraction into mixed fraction
6130
=
6030
+
130
= 2
130
∴
6
56
-
4
45
=
2
130
8
8 2/3 - 7 3/5 =
1 1/15
Steps
Convert the mixed fraction into fraction
8
23
=
(8 x 3) + 23
=
24 + 23
=
263
7
35
=
(7 x 5) + 35
=
35 + 35
=
385
263
-
385
Find the lcm for both denominators
LCM(3, 5) = 15
Make all the denominators equal to each other
263
=
26 x 153 x 15
=
26 x 515
=
13015
385
=
38 x 155 x 15
=
38 x 315
=
11415
13015
-
11415
=
130 - 11415
=
1615
Convert the fraction into mixed fraction
1615
=
1515
+
115
= 1
115
∴
8
23
-
7
35
=
1
115
9
4 8/10 - 1 5/9 =
3 11/45
Steps
Convert the mixed fraction into fraction
4
810
=
(4 x 10) + 810
=
40 + 810
=
4810
1
59
=
(1 x 9) + 59
=
9 + 59
=
149
4810
-
149
Find the lcm for both denominators
LCM(10, 9) = 90
Make all the denominators equal to each other
4810
=
48 x 9010 x 90
=
48 x 990
=
43290
149
=
14 x 909 x 90
=
14 x 1090
=
14090
43290
-
14090
=
432 - 14090
=
29290
simplify the fraction
GCF(292, 90) = 2
29290
=
292 ÷ 290 ÷ 2
=
14645
Convert the fraction into mixed fraction
14645
=
13545
+
1145
= 3
1145
∴
4
810
-
1
59
=
3
1145
10
7 8/10 - 5 6/9 =
2 2/15
Steps
Convert the mixed fraction into fraction
7
810
=
(7 x 10) + 810
=
70 + 810
=
7810
5
69
=
(5 x 9) + 69
=
45 + 69
=
519
7810
-
519
Find the lcm for both denominators
LCM(10, 9) = 90
Make all the denominators equal to each other
7810
=
78 x 9010 x 90
=
78 x 990
=
70290
519
=
51 x 909 x 90
=
51 x 1090
=
51090
70290
-
51090
=
702 - 51090
=
19290
simplify the fraction
GCF(192, 90) = 6
19290
=
192 ÷ 690 ÷ 6
=
3215
Convert the fraction into mixed fraction
3215
=
3015
+
215
= 2
215
∴
7
810
-
5
69
=
2
215
11
4 3/5 - 3 5/10 =
1 1/10
Steps
Convert the mixed fraction into fraction
4
35
=
(4 x 5) + 35
=
20 + 35
=
235
3
510
=
(3 x 10) + 510
=
30 + 510
=
3510
235
-
3510
Find the lcm for both denominators
LCM(5, 10) = 10
Make all the denominators equal to each other
235
=
23 x 105 x 10
=
23 x 210
=
4610
3510
=
35 x 1010 x 10
=
35 x 110
=
3510
4610
-
3510
=
46 - 3510
=
1110
Convert the fraction into mixed fraction
1110
=
1010
+
110
= 1
110
∴
4
35
-
3
510
=
1
110
12
3 5/7 - 2 5/6 =
37/42
Steps
Convert the mixed fraction into fraction
3
57
=
(3 x 7) + 57
=
21 + 57
=
267
2
56
=
(2 x 6) + 56
=
12 + 56
=
176
267
-
176
Find the lcm for both denominators
LCM(7, 6) = 42
Make all the denominators equal to each other
267
=
26 x 427 x 42
=
26 x 642
=
15642
176
=
17 x 426 x 42
=
17 x 742
=
11942
15642
-
11942
=
156 - 11942
=
3742
∴
3
57
-
2
56
=
3742
13
4 2/6 - 1 7/10 =
2 19/30
Steps
Convert the mixed fraction into fraction
4
26
=
(4 x 6) + 26
=
24 + 26
=
266
1
710
=
(1 x 10) + 710
=
10 + 710
=
1710
266
-
1710
Find the lcm for both denominators
LCM(6, 10) = 30
Make all the denominators equal to each other
266
=
26 x 306 x 30
=
26 x 530
=
13030
1710
=
17 x 3010 x 30
=
17 x 330
=
5130
13030
-
5130
=
130 - 5130
=
7930
Convert the fraction into mixed fraction
7930
=
6030
+
1930
= 2
1930
∴
4
26
-
1
710
=
2
1930
14
7 7/8 - 4 2/5 =
3 19/40
Steps
Convert the mixed fraction into fraction
7
78
=
(7 x 8) + 78
=
56 + 78
=
638
4
25
=
(4 x 5) + 25
=
20 + 25
=
225
638
-
225
Find the lcm for both denominators
LCM(8, 5) = 40
Make all the denominators equal to each other
638
=
63 x 408 x 40
=
63 x 540
=
31540
225
=
22 x 405 x 40
=
22 x 840
=
17640
31540
-
17640
=
315 - 17640
=
13940
Convert the fraction into mixed fraction
13940
=
12040
+
1940
= 3
1940
∴
7
78
-
4
25
=
3
1940
15
8 4/8 - 8 2/9 =
5/18
Steps
Convert the mixed fraction into fraction
8
48
=
(8 x 8) + 48
=
64 + 48
=
688
8
29
=
(8 x 9) + 29
=
72 + 29
=
749
688
-
749
Find the lcm for both denominators
LCM(8, 9) = 72
Make all the denominators equal to each other
688
=
68 x 728 x 72
=
68 x 972
=
61272
749
=
74 x 729 x 72
=
74 x 872
=
59272
61272
-
59272
=
612 - 59272
=
2072
simplify the fraction
GCF(20, 72) = 4
2072
=
20 ÷ 472 ÷ 4
=
518
∴
8
48
-
8
29
=
518
16
10 5/8 - 9 9/10 =
29/40
Steps
Convert the mixed fraction into fraction
10
58
=
(10 x 8) + 58
=
80 + 58
=
858
9
910
=
(9 x 10) + 910
=
90 + 910
=
9910
858
-
9910
Find the lcm for both denominators
LCM(8, 10) = 40
Make all the denominators equal to each other
858
=
85 x 408 x 40
=
85 x 540
=
42540
9910
=
99 x 4010 x 40
=
99 x 440
=
39640
42540
-
39640
=
425 - 39640
=
2940
∴
10
58
-
9
910
=
2940
17
10 4/10 - 7 7/9 =
2 28/45
Steps
Convert the mixed fraction into fraction
10
410
=
(10 x 10) + 410
=
100 + 410
=
10410
7
79
=
(7 x 9) + 79
=
63 + 79
=
709
10410
-
709
Find the lcm for both denominators
LCM(10, 9) = 90
Make all the denominators equal to each other
10410
=
104 x 9010 x 90
=
104 x 990
=
93690
709
=
70 x 909 x 90
=
70 x 1090
=
70090
93690
-
70090
=
936 - 70090
=
23690
simplify the fraction
GCF(236, 90) = 2
23690
=
236 ÷ 290 ÷ 2
=
11845
Convert the fraction into mixed fraction
11845
=
9045
+
2845
= 2
2845
∴
10
410
-
7
79
=
2
2845
18
9 2/3 - 2 2/9 =
7 4/9
Steps
Convert the mixed fraction into fraction
9
23
=
(9 x 3) + 23
=
27 + 23
=
293
2
29
=
(2 x 9) + 29
=
18 + 29
=
209
293
-
209
Find the lcm for both denominators
LCM(3, 9) = 9
Make all the denominators equal to each other
293
=
29 x 93 x 9
=
29 x 39
=
879
209
=
20 x 99 x 9
=
20 x 19
=
209
879
-
209
=
87 - 209
=
679
Convert the fraction into mixed fraction
679
=
639
+
49
= 7
49
∴
9
23
-
2
29
=
7
49
19
3 5/10 - 1 3/4 =
1 3/4
Steps
Convert the mixed fraction into fraction
3
510
=
(3 x 10) + 510
=
30 + 510
=
3510
1
34
=
(1 x 4) + 34
=
4 + 34
=
74
3510
-
74
Find the lcm for both denominators
LCM(10, 4) = 20
Make all the denominators equal to each other
3510
=
35 x 2010 x 20
=
35 x 220
=
7020
74
=
7 x 204 x 20
=
7 x 520
=
3520
7020
-
3520
=
70 - 3520
=
3520
simplify the fraction
GCF(35, 20) = 5
3520
=
35 ÷ 520 ÷ 5
=
74
Convert the fraction into mixed fraction
74
=
44
+
34
= 1
34
∴
3
510
-
1
34
=
1
34
20
9 2/5 - 5 7/9 =
3 28/45
Steps
Convert the mixed fraction into fraction
9
25
=
(9 x 5) + 25
=
45 + 25
=
475
5
79
=
(5 x 9) + 79
=
45 + 79
=
529
475
-
529
Find the lcm for both denominators
LCM(5, 9) = 45
Make all the denominators equal to each other
475
=
47 x 455 x 45
=
47 x 945
=
42345
529
=
52 x 459 x 45
=
52 x 545
=
26045
42345
-
26045
=
423 - 26045
=
16345
Convert the fraction into mixed fraction
16345
=
13545
+
2845
= 3
2845
∴
9
25
-
5
79
=
3
2845

Subtracting a Mixed Number from Mixed Number Worksheet

Mixed number subtraction worksheet with answers to practice & learn 6th grade math problems is available online for free in printable & downloadable (pdf & image) format. Tap on PRINT, PDF or IMAGE button to print or download this grade-6 fraction worksheet to practice subtracting a mixed number from another.

How to Use this Worksheet

In this sixth grade fraction worksheet, students are required to find the difference between two mixed numbers for each problem of this worksheet. Convert the mixed numbers to equivalent irregular fractions, find the LCM or LCD of denominators, multiply LCD with both numerator and denominators of each fraction, simplify the fractions to have like denominators and find the difference between the two numerators. The difference of numerators is the resulting fraction of these given two mixed numbers.

Answers Key

Teachers, tutors, parents or students can check or validate the solved questions by using the corresponding answers key which comprises the step by step work on how to find the difference between two mixed numbers.

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