Fractions, Decimals, Percents

Convert Fraction to Decimal

100

25/100

.25

200

48/50

.96

300

3/5

.6 or .60

400

3/8

0.375

500

7/40

0.175

Convert Decimal to Fraction

100

.4

4/10 = 2/5

200

.64

64/100 = 16/25

300

.875

7/8 

400

.84

84/100 = 21/25

500

.3

3/10

Convert Fraction to Percent

100

25/100

25%

200

48/50

96%

300

3/5

60%

400

6/15

40 %

500

3/8

37.5%

Convert Percent to Fraction

100

25%

25/100 = 1/4

200

34%

34/100 = 17/50

300

95%

95/100 = 19/20

400

44%

44/100 = 22/50 = 11/25

500

26.5%

265/1,000 = 53/200

Real- World Problems

100

There were 76 blue fish and the rest were red fish. What percentage of the fish were red?

What is 24%? 

200

There were 15 cats at a pet store that has 25 animals. What percentage of the animals at the pet store were cats? 

What is 60%?

300

At the concert there were 6,000 people. 720 of them were wearing the bands t-shirt. What percentage of concert goers were wearing the band's t-shirt? 

What is 12% ?

400

54 out of 720 students wear glasses. What percentage of students do wear glasses? 

What is 7.5% ? 

500

A factory produces 8000 items in a month, and 7,375 of those items are classified as premium quality. What percentage of the items are NOT premium quality?

What is 7.8125% ?