Fractions, Decimals and Percentages

Adding fractions

100

2/5 + 5/10

9/10

200

2/3 + 1/6

5/6

300

1/5 + 1/2

7/10

400

3/7 + 1/3

16/21

500

5/8 + 7/12

29/24 

or 

1 and 5/24

Fraction of an amount

100

1/4 of 16

4

200

2/5 of 20

8

300

7/8 of 32 

28

400

3/5 of 3/4

9/20

500

2/3 of 6/11

4/11

Subtracting fractions

100

7/12 - 3/12

1/3

200

5/6 - 5/12

5/12

300

11/10 - 3/5

1/2

400

5/6 - 3/4

1/12

500

9/8 - 1/3 

19/24

Decimals and fractions

100

Convert 0.4 into a fraction

2/5

200

Convert 3/20 to a decimal

0.15

300

Convert 0.65 into a fraction

13/20

400

0.6 is ____ than 5/7

less

500

0.12 is ____ than 1/9

Greater

Percentages

100

15% of 50

7.5

200

12% of 40

4.8

300

21% of £60

£12.60

400

Increase £30 by 15%

£34.50

500

Decrease £25 by 30%

£17.50