9.2 Changing a fraction to a percentage
There are two ways you can do this.
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.
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:
Now you’ll look at changing a fraction to a decimal.