Word problem: writing a ratio in simplest form
22 October 2026
Understanding how to write ratios in simplest form can help your child solve real-life word problems with confidence. This skill is important for 11+ maths and is often tested in exam questions.
Worked example
There are 8 red apples and 12 green apples in a basket. Write the ratio of red apples to green apples in its simplest form.
Step 1: Write the ratio as 8: 12.
Step 2: Find the highest number that goes into both 8 and 12. This is 4.
Step 3: Divide both numbers by 4. 8 ÷ 4 = 2 and 12 ÷ 4 = 3.
Step 4: Write the simplest form as 2: 3.
The correct answer is 2: 3.
After working through this example, your child will be able to spot when a ratio can be simplified and know exactly how to do it. There are more word problems like this ready for practice, so your child can build up their skills step by step.
