Simplifying and equivalent ratios

What is a Ratio?

• Is a comparison of two quantities

• To multiply two fractions

• Strictly a fraction

• Two decimals that can be multiplied

If a ratio is 15:20, what is the simplest form of this ratio?

• 7:10

• 5:6

• 3:4

• 9:12

If the ratio is 25:35, simplify it to its simplest form.

• 5:7

• 15:21

• 10:14

• 3:5

If the ratio is 40:60, what is the simplest form of this ratio?

• 2:3

• 5:7

• 3:2

• 4:6

Simplify the ratio 12:4:20

• 3:1:5

• 1:3:5

• 6:2:10

• 2:6:10

Simplify the following ratio

8 cm : 22 cm

• 2 : 5.625

• 4 cm : 11 cm

• 4 : 11

• 2 cm : 5.625 cm

Answer explanation

Simplified ratios should be in whole numbers and do not contain units

Simplify the following ratio

40 cm : 2 m

• 20 : 1

• 40 : 20

• 1 : 50

• 1 : 5

Simplify the ratio 3:6:9

• 1:2:3

• 1:4:7

• 3:2:1

• 2:1:3

Are these ratios equivalent?

3:4 and 6:12

• Yes

• No

Complete the ratio table.

• 6

• 8

• 9

• 5