Simplify ratios

Front

What is a ratio?

Back

A ratio is a way to compare two quantities by using division. It shows how much of one thing there is compared to another.

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both parts of the ratio by their greatest common divisor (GCD).

Front

What does the ratio 1:n mean?

Back

It means that for every 1 unit of the first quantity, there are n units of the second quantity.

Front

What is the simplest form of the ratio 4:8?

Back

1:2

Front

If a ratio is 3:9, what is it in simplest form?

Back

1:3

Front

How do you write the ratio of 240 cm to 400 cm in simplest form?

Back

3:5

Front

What is the simplest form of the ratio 45:10?

Back

9:2

Front

How do you express £5 to £100 as a ratio?

Back

1:20

Front

What is the ratio of 6 apples to 12 apples in simplest form?

Back

1:2

Front

If the ratio of boys to girls in a class is 2:3, how many boys are there if there are 15 girls?

Back

10 boys (because 2/3 of 15 is 10).