# 9.2 Changing a fraction to a percentage

There are two ways you can do this.

## Method 1

To change a fraction into a percentage, multiply it by (essentially, you are just multiplying the top number by 100 and the bottom number will stay the same).

### Example: Change into a percentage

× =

This cancels to = 75%

**Note**: Remember anything over 1 is a whole number. If you do not end up with a 1 on the bottom, you will have to divide the top number by the bottom one to get your final answer.

## Method 2

Divide the top of the fraction by the bottom (to express the fraction as a decimal) and then multiply the answer by 100.

## Activity 22: Changing a fraction to a percentage

Express these fractions as percentages:

a.

b.

c.

### Answer

a.37.5%

b.90%

c.80%

Now you’ll look at changing a fraction to a decimal.