Chapter 5 Review

Multiplying and Dividing Rational Numbers

100

ab/9 • 3/b²

a/3b

200

w/5 ÷ w/35

7

300

4x/3y • 12y⁴/x²

16y³/x

400

21y/8x² ÷ 7y/16x

6/x

500

p³/4 • 12/p

3p²

Adding and Subtracting Unlike Fractions

100

1/9 − 7/12

− 17/36

200

3 2/5 + 2 4/7

5 34/35

300

-3/8 + (-1  5/12)

-1 19/24

400

-4  1/8 + 2  5/9

-1  41/72

500

-2/15 - 3  1/5

- 3  1/3

Least Common Multiple

100

Find the LCM: 6a, 17a⁵

102a⁵

200

Find the LCM: 3m, 12

12m

300

Find the LCM: 9x²y, 12xy³

36x²y³

400

14e³, 8e²

56e³

500

20ef, 52f³

260ef³

Equations with Rational Numbers

100

a −4.86 = 7.2

12.06

200

3 3/4 + m = 6  5/8

2  7/8

300

-0.5m = -10

20

400

-1/9 t = 7

-63

500

f - (-8.5) = 87.64

79.14