Answer Key to Math Practice Worksheet for Addition for Fractions Different Denominators 4

Addition for Fractions
Different Denominators 4
Version 1		Name:________________________

Solve the fraction problem and reduce the answer to simplest form.

6
8
+
1
9
=
6 × 9
8 × 9
+
1 × 8
9 × 8
 >>>> 
54
72
+
8
72
 >>>> 
62
72
 >>>> 
31
36
1
10
+
5
12
=
1 × 6
10 × 6
+
5 × 5
12 × 5
 >>>> 
6
60
+
25
60
 >>>> 
31
60
4
9
+
6
16
=
4 × 16
9 × 16
+
6 × 9
16 × 9
 >>>> 
64
144
+
54
144
 >>>> 
118
144
 >>>> 
59
72
8
12
+
3
9
=
8 × 3
12 × 3
+
3 × 4
9 × 4
 >>>> 
24
36
+
12
36
 >>>> 
36
36
 >>>> 1
1
18
+
4
15
=
1 × 5
18 × 5
+
4 × 6
15 × 6
 >>>> 
5
90
+
24
90
 >>>> 
29
90
3
10
+
5
9
=
3 × 9
10 × 9
+
5 × 10
9 × 10
 >>>> 
27
90
+
50
90
 >>>> 
77
90
8
15
+
7
18
=
8 × 6
15 × 6
+
7 × 5
18 × 5
 >>>> 
48
90
+
35
90
 >>>> 
83
90
4
8
+
6
15
=
4 × 15
8 × 15
+
6 × 8
15 × 8
 >>>> 
60
120
+
48
120
 >>>> 
108
120
 >>>> 
9
10
3
12
+
8
15
=
3 × 5
12 × 5
+
8 × 4
15 × 4
 >>>> 
15
60
+
32
60
 >>>> 
47
60
5
15
+
5
8
=
5 × 8
15 × 8
+
5 × 15
8 × 15
 >>>> 
40
120
+
75
120
 >>>> 
115
120
 >>>> 
23
24
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