Lesson 3.1-3.6

Adding Fractions

200

2/7 + 15/7

17/7 = 2 3/7

400

13/50 + 42/50

55/50 = 11/10 = 1 1/10

600

13/3 + 24/9 

39/9 + 24/9 = 63/9 = 7

800

37/42 + 20/84

74/84 + 20/84 = 94/84 = 47/42 = 1 5/42

1000

61/13 + 2/26

122/26 + 2/26 = 124/26 = 4 20/26 = 4 10/13

Subtracting Fractions

200

13/24 - 9/24

4/24 = 2/12 = 1/6

400

37/30 - 14/30

23/30

600

22/10 - 7/5

22/10 - 14/10 = 8/10 = 4/5

800

63/37 - 71/3 

189/111 - 213/111 = -24/111

1000

31/73 - 26/5 

155/365 - 1898/365 = -4 283/365

Multiplying Fractions

200

2/9 x 3/8

1/12

400

6/11 x 7/8 

21/44

600

6/7 x 2/9

4/21

800

1/4 x 5/6

5/24

1000

6/15 x 4/7

8/35

Dividing Fractions

200

1/7 ➗ 3/4

4/21

400

13/9 ➗ 3/5

2 11/27

600

11/4 ➗ 5/7

3 17/20

800

3/2 ➗ 4/15

5 5/8

1000

100/1000 ➗ 1000/100

1/100

Rational Numbers & Decimals

200

Convert 3/4 into a decimal

.75

400

Convert .6 into a fraction

6/10 = 3/5

600

Convert .625 into a fraction

5/8

800

Convert.756 into a rational number in lowest terms 

189/250

1000

Convert 42/32 into a decimal

1.3125