Chapter 2.1

Mixed to Improper

100

2 1/2

5/2

200

1 3/4

7/4

300

4 2/5

22/5

400

3 11/12

47/12

500

7 9/10

79/10

Common Denominator

100

Find the LCD:

1/2 & 1/4

LCD= 4

200

Find the LCD:

1/8 & 1/6

LCD= 24

300

Find the LCD:

1/3 & 1/7

LCD= 21

400

Find the LCD:

1/9 & 1/5

LCD= 45

500

Find the LCD:

1/48 & 1/16

LCD= 48

Simplifying Fractions

100

Simplify:

3/6

1/2

200

Simplify:

2/10

1/5

300

Simplify:

4/24

1/6

400

Simplify:

25/35

5/7

500

Simplify:

14/49

2/7

Adding Fractions

100

3/4 + 1/4

4/4 = 1

200

4/7 + 1/7

5/7

300

1/4 + 5/8

7/8

400

4 4/9 + 4 2/3

8 10/9 = 9 1/9

500

12 1/7 + 2 5/14

14 7/14 = 14 1/2

Subtracting Fractions

100

10/11 - 3/11

7/11

200

3/5 - 2/5

1/5

300

3/4 - 1/6

7/12

400

3 4/5 - 2 3/5

1 1/5

500

6 2/5 - 2 5/8

3 31/40