Subtract a Fraction from Unlike Fraction: Worksheets, Online Test and Calculators

Subtract a fraction from unlike fraction worksheets, solved worksheet problems or exercises with step-by-step work, formative assessment as online test, calculator and more learning resources to learn, practice, assess and master the basic math skills of fraction.

Subtract a Fraction from Unlike Fraction

Name Grade School
Date Questions10 Score

1
3/6
-
3/8
=
2
8/7
-
3/9
=
3
4/3
-
8/7
=
4
3/5
-
1/2
=
5
10/8
-
4/9
=
6
10/5
-
4/6
=
7
6/8
-
5/9
=
8
8/3
-
7/10
=
9
10/8
-
9/10
=
10
5/4
-
3/8
=

Solved Worksheet Problems
1
3/6
-
3/8
=
1/8
find the LCM for unlike denominators
LCM (6, 8) = 24
36
 = 
3 x 246 x 24
 = 
3 x 424
 = 
1224
38
 = 
3 x 248 x 24
 = 
3 x 324
 = 
924
36
  -  
38
 = 
1224
  -  
924
 = 
12  -  924
36
  -  
38
 = 
324
simplify the above fraction
GCF(3, 24) = 3
324
 = 
3 ÷ 324 ÷ 3
  = 
18
36
   -  
38
  = 
18
2
8/7
-
3/9
=
17/21
find the LCM for unlike denominators
LCM (7, 9) = 63
87
 = 
8 x 637 x 63
 = 
8 x 963
 = 
7263
39
 = 
3 x 639 x 63
 = 
3 x 763
 = 
2163
87
  -  
39
 = 
7263
  -  
2163
 = 
72  -  2163
87
  -  
39
 = 
5163
simplify the above fraction
GCF(51, 63) = 3
5163
 = 
51 ÷ 363 ÷ 3
  = 
1721
87
   -  
39
  = 
1721
3
4/3
-
8/7
=
4/21
find the LCM for unlike denominators
LCM (3, 7) = 21
43
 = 
4 x 213 x 21
 = 
4 x 721
 = 
2821
87
 = 
8 x 217 x 21
 = 
8 x 321
 = 
2421
43
  -  
87
 = 
2821
  -  
2421
 = 
28  -  2421
43
  -  
87
 = 
421
4
3/5
-
1/2
=
1/10
find the LCM for unlike denominators
LCM (5, 2) = 10
35
 = 
3 x 105 x 10
 = 
3 x 210
 = 
610
12
 = 
1 x 102 x 10
 = 
1 x 510
 = 
510
35
  -  
12
 = 
610
  -  
510
 = 
6  -  510
35
  -  
12
 = 
110
5
10/8
-
4/9
=
29/36
find the LCM for unlike denominators
LCM (8, 9) = 72
108
 = 
10 x 728 x 72
 = 
10 x 972
 = 
9072
49
 = 
4 x 729 x 72
 = 
4 x 872
 = 
3272
108
  -  
49
 = 
9072
  -  
3272
 = 
90  -  3272
108
  -  
49
 = 
5872
simplify the above fraction
GCF(58, 72) = 2
5872
 = 
58 ÷ 272 ÷ 2
  = 
2936
108
   -  
49
  = 
2936
6
10/5
-
4/6
=
4/3
find the LCM for unlike denominators
LCM (5, 6) = 30
105
 = 
10 x 305 x 30
 = 
10 x 630
 = 
6030
46
 = 
4 x 306 x 30
 = 
4 x 530
 = 
2030
105
  -  
46
 = 
6030
  -  
2030
 = 
60  -  2030
105
  -  
46
 = 
4030
simplify the above fraction
GCF(40, 30) = 10
4030
 = 
40 ÷ 1030 ÷ 10
  = 
43
105
   -  
46
  = 
43
7
6/8
-
5/9
=
7/36
find the LCM for unlike denominators
LCM (8, 9) = 72
68
 = 
6 x 728 x 72
 = 
6 x 972
 = 
5472
59
 = 
5 x 729 x 72
 = 
5 x 872
 = 
4072
68
  -  
59
 = 
5472
  -  
4072
 = 
54  -  4072
68
  -  
59
 = 
1472
simplify the above fraction
GCF(14, 72) = 2
1472
 = 
14 ÷ 272 ÷ 2
  = 
736
68
   -  
59
  = 
736
8
8/3
-
7/10
=
59/30
find the LCM for unlike denominators
LCM (3, 10) = 30
83
 = 
8 x 303 x 30
 = 
8 x 1030
 = 
8030
710
 = 
7 x 3010 x 30
 = 
7 x 330
 = 
2130
83
  -  
710
 = 
8030
  -  
2130
 = 
80  -  2130
83
  -  
710
 = 
5930
9
10/8
-
9/10
=
7/20
find the LCM for unlike denominators
LCM (8, 10) = 40
108
 = 
10 x 408 x 40
 = 
10 x 540
 = 
5040
910
 = 
9 x 4010 x 40
 = 
9 x 440
 = 
3640
108
  -  
910
 = 
5040
  -  
3640
 = 
50  -  3640
108
  -  
910
 = 
1440
simplify the above fraction
GCF(14, 40) = 2
1440
 = 
14 ÷ 240 ÷ 2
  = 
720
108
   -  
910
  = 
720
10
5/4
-
3/8
=
7/8
find the LCM for unlike denominators
LCM (4, 8) = 8
54
 = 
5 x 84 x 8
 = 
5 x 28
 = 
108
54
  -  
38
 = 
108
  -  
38
 = 
10  -  38
54
  -  
38
 = 
78

Worksheet: Subtract a Fraction from Unlike Fraction

Subtract a fraction from unlike fraction worksheet is the largest collection of practice problems and solved exercises which can be served as homework, classwork or assignment problems for the students to learn, practice, assess, iterate and master the skills of how to solve such fraction problems in basic mathematics.

Online Test
00:00
Start my Challenge
23/6 - 28/8 = ?
21/22 - 15/29 = ?
15/5 - 28/18 = ?
30/14 - 9/6 = ?
21/2 - 18/24 = ?
17/4 - 10/23 = ?
10/8 - 5/13 = ?
28/13 - 24/27 = ?
15/3 - 18/14 = ?
18/9 - 14/13 = ?

Online Test: Subtract a Fraction from Unlike Fraction

This online test to find the subtract a fraction from unlike fraction is a formative assessment which can be used as homework, classwork or assignment problems to assess and improve the learner's math skills on fraction.

lcm_tools(

Fractions Subtraction Calculator

Fraction A
Fraction B
3/8 - 2/7 = 5/56
show workout

Work with steps - Fraction Subtraction

Question:
fraction subtraction of 3/8 - 2/7 = ?
Answer:
3/8-2/7 = ?
Find the LCM of unlike denominators of fractions
lcm_tools(8, 7) = 56
3/8= 3 x 568 x 56 = 3 x 756 = 2156
2/7= 2 x 567 x 56 = 2 x 856 = 1656
3/8-2/7 =21/56- 16/56
= 21- 1656
3/8-2/7 = 5/56

Fractions subtraction calculator is a key tool for users to generate step-by-step work to quickly understand the calculation, solve the homework problems, solve the classwork problems, prepare the answer key document for summative and formative assessments or immediately verify the entire calculation for the user supplied input values.