Fractions

Multiplied by a Fraction

100

1/2 x 5/8

5/16

200

1/6 x 4/7

4/42 or 2/21

300

3/4 x 11/12

33/48 or 11/16

400

3/8 x 5/12

15/96 or 5/32

500

18/22 x 4/6

72/132 or 6/11

Multiplied by a Mixed Number

100

8 x 1/4

2

200

12 x 1/12

1

300

1/5 x 7 1/2

1 1/2

400

3 2/8 x 9/12

2 42/96

500

6 3/9 x 11/12

5 87/108

Multiple by a Fraction Greater than One

100

1/2 x 8/2

2

200

1/3 x 12/4

1

300

5/6 x 20/2

8 2/6 or 8 1/3

400

1/8 x 14/7

2/8 or 1/4

500

45/13 x 3/8

1 31/104

Adding Fractions with like Denominators

100

2/5+3/5

5/5 or 1

200

6/12 + 4/12

10/12

300

5/18+11/18

16/18

400

9/4 + 6/4

13/4 or 3 1/4

500

47/75 + 53/75

100/75 or 1 25/75

Subtracting Fractions with like Denominators

100

2/3 - 1/3

1/3

200

9/10 - 4/10

5/10

300

15/20 - 10/20

5/20

400

63/25 - 47/25

16/25

500

97/13 - 49/13

48/13 or 3 9/13