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Unlike Fractions Addition: Worksheets, Online Test and Calculators

Unlike fractions addition 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.

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Unlike Fractions Addition

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
=
7/8
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
 = 
2124
simplify the above fraction
GCF(21, 24) = 3
2124
 = 
21 ÷ 324 ÷ 3
  = 
78
36
   +  
38
  = 
78
2
8/7
+
3/9
=
31/21
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
 = 
9363
simplify the above fraction
GCF(93, 63) = 3
9363
 = 
93 ÷ 363 ÷ 3
  = 
3121
87
   +  
39
  = 
3121
3
4/3
+
8/7
=
52/21
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
 = 
5221
4
3/5
+
1/2
=
11/10
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
 = 
1110
5
10/8
+
4/9
=
61/36
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
 = 
12272
simplify the above fraction
GCF(122, 72) = 2
12272
 = 
122 ÷ 272 ÷ 2
  = 
6136
108
   +  
49
  = 
6136
6
10/5
+
4/6
=
8/3
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
 = 
8030
simplify the above fraction
GCF(80, 30) = 10
8030
 = 
80 ÷ 1030 ÷ 10
  = 
83
105
   +  
46
  = 
83
7
6/8
+
5/9
=
47/36
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
 = 
9472
simplify the above fraction
GCF(94, 72) = 2
9472
 = 
94 ÷ 272 ÷ 2
  = 
4736
68
   +  
59
  = 
4736
8
8/3
+
7/10
=
101/30
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
 = 
10130
9
10/8
+
9/10
=
43/20
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
 = 
8640
simplify the above fraction
GCF(86, 40) = 2
8640
 = 
86 ÷ 240 ÷ 2
  = 
4320
108
   +  
910
  = 
4320
10
5/4
+
3/8
=
13/8
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
 = 
138

Worksheet: Unlike Fractions Addition

Unlike fractions addition 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
3/22 + 8/27 = ?
7/24 + 6/3 = ?
5/2 + 25/20 = ?
24/17 + 7/10 = ?
6/7 + 5/29 = ?
14/22 + 24/9 = ?
12/16 + 29/14 = ?
13/18 + 27/15 = ?
11/4 + 18/14 = ?
25/17 + 14/15 = ?
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Online Test: Unlike Fractions Addition

This online test to find the unlike fractions addition 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.

Fractions Addition Calculator

Fraction A
Fraction B
3/8 + 2/7 = 37/56
show workout

Work with steps - Like or Unlike Fractions Addition

Question:
3/8 + 2/7 = ?
Answer:
3/8+2/7 = ?
Find LCM of denominators of unlike 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 = 37/56

Fractions addition 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.