11+ Maths: Understanding Percentages Out of 100: Converting Percentages to Fractions
22 October 2026
Understanding how to change percentages into fractions is a key skill for 11+ maths. When a percentage is out of 100, you can write it as a fraction with 100 on the bottom.
Let's look at a simple example to see how this works.
Worked example
Change 25% into a fraction out of 100.
Write 25% as 25 out of 100: 25/100
The correct answer is 25/100.
Key insight: Now your child can spot that any percentage can be written as a fraction out of 100. This makes it easier to compare, add or subtract percentages in maths questions.
Next, your child can practise turning more percentages into fractions out of 100 using this same method.
