Fractions and Decimal Operations Review

Combining Fractions

100

-5/13 + -3/13

-8/13

200

-7/2 + 6/2

-1/2

300

-3/4 - 1/6

-9/12 + -2/12 = -11/12

400

2/5 - 7/8

16/40 - 35/40 = -19/40

500

-1/3 - 1/2 - 1/8

-8/24 - 12/24 - 3/24 = -23/24

Multiplying/Dividing Fractions

100

-3/8 x 7/9

-21/72 = -7/24

200

-9/8 ÷ -4/5

-9/8 x -5/4 = 45/32

300

3/4 x -3 1/2

3/4 x -7/2 = 21/8 = -2 5/8

400

-1 2/3 ÷ 1/5

-5/3 x 5/1 = -25/3 = -8 1/3

500

-1 2/3 ÷ -2 3/5

-5/3 x -13/5 = 65/15 = 13/3 = 4 1/3

Adding/Subtracting Decimals

100

-14.1 - 33.9

-48

200

-135.37 + 28.17

-107.2

300

-75.053 + -27.96

-103.013

400

 - 6.93 + 14.28

7.35

500

-2.005 - (-1.987)

-0.018

Multiplying/Dividing Decimals

100

-1.45 x 3.1

-4.495

200

3.6 ÷ -0.4

-9

300

-0.34 x -12.5

4.25

400

-0.48 ÷ 0.006

-80

500

-4.55 x -0.13

0.5915

Proper <-> Improper Fractions

100

Convert 3 1/2

7/2

200

Convert 63/8

7 7/8

300

Simplify 64/84

16/21

400

Convert 7 3/8

59/8

500

Simplify 56/120

28/60 = 14/30 = 7 /15