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

Subtraction for Fractions
Different Denominators 4
Version 2		Name:________________________

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

5
9
-
5
18
=
5 × 2
9 × 2
-
5
18
 >>>> 
10
18
-
5
18
 >>>> 
5
18
5
8
-
3
12
=
5 × 3
8 × 3
-
3 × 2
12 × 2
 >>>> 
15
24
-
6
24
 >>>> 
9
24
 >>>> 
3
8
7
18
-
3
9
=
7
18
-
3 × 2
9 × 2
 >>>> 
7
18
-
6
18
 >>>> 
1
18
4
8
-
7
16
=
4 × 2
8 × 2
-
7
16
 >>>> 
8
16
-
7
16
 >>>> 
1
16
5
10
-
1
15
=
5 × 3
10 × 3
-
1 × 2
15 × 2
 >>>> 
15
30
-
2
30
 >>>> 
13
30
9
18
-
2
15
=
9 × 5
18 × 5
-
2 × 6
15 × 6
 >>>> 
45
90
-
12
90
 >>>> 
33
90
 >>>> 
11
30
9
10
-
9
14
=
9 × 7
10 × 7
-
9 × 5
14 × 5
 >>>> 
63
70
-
45
70
 >>>> 
18
70
 >>>> 
9
35
6
16
-
1
8
=
6
16
-
1 × 2
8 × 2
 >>>> 
6
16
-
2
16
 >>>> 
4
16
 >>>> 
1
4
5
8
-
1
9
=
5 × 9
8 × 9
-
1 × 8
9 × 8
 >>>> 
45
72
-
8
72
 >>>> 
37
72
7
10
-
7
15
=
7 × 3
10 × 3
-
7 × 2
15 × 2
 >>>> 
21
30
-
14
30
 >>>> 
7
30
Copyright © 2008-2011 DadsWorksheets.com
Free for personal or classroom use provided this notice is preserved.
http://www.dadsworksheets.com