Simplify fractions

Home learning focus

Learn methods for simplify fractions using knowledge of common factors.

This includes:

  • two videos
  • two interactive activities
  • one worksheet


How to simplify fractions

In this video from KS2 Maths a runner simplifies fractions to find out how close they are to the finish line.

You can simplify a fraction if the numerator (top number) and denominator (bottom number) can both be divided by the same number.

Six twelfths can be simplified to one half, or 1 over 2 because both numbers are divisible by 6.

6 goes into 6 once and 6 goes into 12 twice.

A method for simplifying fractions

Watch this film to understand how a bar model can be used to simplify a fraction.


Activity 1

Simplifying fractions interactive

Can you simplify the fractions in this interactive activity from KS2 Maths?

Activity 2

Simplifying fractions interactive 2

Now see if you can simplify the fraction in this activity.

Activity 3

Simplifying fractions worksheet

Can you use common factors to simplify fractions in this worksheet from Twinkl?

Simplifying fractions worksheet

Click here to find out the answers.

There's more to learn

Have a look at these other resources around the BBC and the web.

BBC Bitesize Daily
KS2 Maths
7 - 11 Maths
Primary games
Join the Super Movement!
KS2 English