KS3 Fractions
KS3
Free lesson
Number
Fractions
How to Simplify Fractions — KS3 Maths
A step-by-step KS3 lesson on simplifying fractions to their lowest terms using the highest common factor. Clear worked examples with factors shown.

Simplifying fractions means writing them in their lowest terms. This lesson shows how to find the highest common factor of the top and bottom, divide both by it, and check the answer can't be reduced any further — with clear worked examples.
Practise this skill
A free printable worksheet with 16 questions and a full worked answer key. No sign-up needed.