Rational Numbers B

Equivalent fractions

100

?/4 = 5/20

1/4 = 5/20

200

5/? = 15/21

5/7 = 15/21

300

15/17 = ?/68

15/17 = 60/68

400

4 5/6 = 4 ?/18

4 5/6 = 4 15/18 

500

14/23 = 84/?

14/23 = 84/138

Decimals

100

73.77 - 12.63

61.14

200

58.57- 57.51

1.06

300

60.66 +(-70.63)

-9.7

400

345.98+(-546.89)

-200.91

500

3362.72 + (-7296.39)

-3906.67

Percentages

100

92% of 85=

78.2

200

28% of 5=

1.4

300

60% of 61=

36.6

400

70% of 6=

4.2

500

73% of 845=

616.85