Ch.5 Math Review

Converting Fractions

100

Change the improper fraction to a mixed number:

8/5

1 3/5

200

Change the mixed number to an improper fraction:

5 3/4

23/4

300

Change the improper fraction to a mixed number:

57/8

7 1/8

400

Change the mixed number to an improper fraction:

12 4/7

88/7

500

Convert the decimal to a fraction.

0.125

1/8

Adding Fractions with Common Denominators

100

4/5+1/5

1

200

2 1/7+3 4/7

5 5/7

300

-9/13+2/13

-7/13

400

-5/10+(-3/10)

-4/5

500

-4 5/8+7 7/8

3 2/8 or 3 1/4

Adding Fractions with Different Denominators

100

1/3+4/9

7/9

200

4 3/5+5 1/15

9 10/15 or 9 2/3

300

4/5+(-1/4)

11/20

400

7 7/25+9 4/5

14 2/25

500

-14 9/20+9 3/4

-4 7/10 or -4 14/20

Subtracting Fractions

100

7/9-3/9

4/9

200

7/15-1/5

4/15

300

-8/9-1/3

-11/9 or -1 2/9

400

8 7/8-6 2/4

2 3/8

500

6 5/8-1 3/4

4 7/8

Multiplying/Dividing Fractions

100

1/2xx3/4

3/8

200

4/5xx5/8

1/2

300

5/12-:5/9

3/4

400

4 5/7xx7/8

4 1/8 or 33/8

500

2 1/8-:(-4 1/8)

-17/33