Year 9 Mathematics T1 W4

• Add the numerators (top parts of the fractions).

• Rewrite the fractions in the simplest form. 

• Rewrite the fractions with a common denominator. 

• Make each fraction into an improper faction. 

Express the following ratio in simplest form:

20:45

• 10:22.5

• 4:9

• 40:90

• 5:9

Express the following ratio in simplest form:

30:50

• 5:3

• 10:16.6

• 6:10

• 3:5

• 3:4

• 8:6

• 28:21

• 4:3

• 10:14

• 5:7

• 7:5

• 5:9

• 1:2

• 3:2

• 2:1

• 3:6