Rational Numbers

Decimals to Fractions,Fractions to Decimals

100

Write 7/8 as a decimal.

0.875

200

Write 2/3 as a decimal.

0.6666...

300

Write -9/20 as a decimal.

-0.45

400

Write -8.002 as a mixed number.

-8 1/500

500

Write 3.363636... as a mixed number.

3 4/11

Adding and Subtracting Fractions

100

5/18  +  11/18

8/9

200

3  7/8  +  9  3/8

13  1/4

300

7/9  -  5/12

13/36

400

-3/7  -  11/14

-17/14

500

5  1/2  -  2  2/3

17/6

Multiplying Fractions

100

2/3  *  1/8

1/12

200

-7/15  *  5/9

-7/27

300

8  *  4/5

32/5

400

4/5  *  3  1/3

8/3

500

ab/4  *  2/bc

a/2c

Dividing Fractions

100

6/7  /  3/4

8/7

200

2/5  /  (-1/15)

-6

300

5  /  (-1  1/3)

-3  3/4

400

n/8  /  n/32

4

500

2/7x  /  3/2

4/21x

Solving Equations

100

1/2  =  a  +  3/8

a  =  1/8

200

p  -  4/5  =  2/3

p  =  22/15

300

-3/8  =  (5/3)a

a  =  -9/40

400

2  =  (-4/5)n

n  =  -5/2

500

(1  3/5)x  =  8

x  =  5