fractions (addition, subtraction)
decimals (addition, subtraction)
decimals <-> fraction
percentage
decimals (multiplication, division)
100

1 / 8 + 3 / 8

4 / 8 or 1 / 2

100

0.624 + 0.96

0.720

100

0.50 in fraction

1/2

100

10 % of 100

10

100

5 x 0.3

1.5

200

3 / 4 + 1 / 4

1 or 4 / 4


200

0.862 + 0.138

1.000


200

2/5 in decimal

0.40

200

10% of 256

25.6

200

0.25 x 0.6

0.15

300

9 / 10 - 3 / 10

6 / 10 or 3 / 5


300

1.7342 - 0.6218

1.1164

300

5/12 in decimal

41.67

300

12% of 500

60

300

0.25 / 5

0.5

400

1 / 5 + 2 / 15

5 / 15 or 1 / 3


400

6.77892 - 5.8964

0.88252

400

8/28 in decimal

28.57


400

25% of 256

64

400

0.168 x 56

9.408

500

5 / 6 - 7 / 12

3 / 12 or 1/ 4


500

6.4322 - 5.7890

0.6432

500

0.720 in fraction

18/25

500

12% of 35

4.2

500

0.58 / 0.6

0.967