Answer Key to Math Practice Worksheet for Addition for Fractions Different Denominators 5

Addition for Fractions
Different Denominators 5
Version 4		Name:________________________

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

15
25
+
6
24
=
15 × 24
25 × 24
+
6 × 25
24 × 25
 >>>> 
360
600
+
150
600
 >>>> 
510
600
 >>>> 
17
20
6
8
+
3
15
=
6 × 15
8 × 15
+
3 × 8
15 × 8
 >>>> 
90
120
+
24
120
 >>>> 
114
120
 >>>> 
19
20
4
9
+
5
10
=
4 × 10
9 × 10
+
5 × 9
10 × 9
 >>>> 
40
90
+
45
90
 >>>> 
85
90
 >>>> 
17
18
7
16
+
3
9
=
7 × 9
16 × 9
+
3 × 16
9 × 16
 >>>> 
63
144
+
48
144
 >>>> 
111
144
 >>>> 
37
48
1
16
+
5
18
=
1 × 9
16 × 9
+
5 × 8
18 × 8
 >>>> 
9
144
+
40
144
 >>>> 
49
144
15
24
+
3
8
=
15
24
+
3 × 3
8 × 3
 >>>> 
15
24
+
9
24
 >>>> 
24
24
 >>>> 1
10
30
+
14
22
=
10 × 11
30 × 11
+
14 × 15
22 × 15
 >>>> 
110
330
+
210
330
 >>>> 
320
330
 >>>> 
32
33
5
28
+
7
20
=
5 × 5
28 × 5
+
7 × 7
20 × 7
 >>>> 
25
140
+
49
140
 >>>> 
74
140
 >>>> 
37
70
11
15
+
5
20
=
11 × 4
15 × 4
+
5 × 3
20 × 3
 >>>> 
44
60
+
15
60
 >>>> 
59
60
1
28
+
11
12
=
1 × 3
28 × 3
+
11 × 7
12 × 7
 >>>> 
3
84
+
77
84
 >>>> 
80
84
 >>>> 
20
21
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