Compare two fractions
- Use common denominator 20 for 3/5 and 7/10.
- 3/5 = 12/20 and 7/10 = 14/20.
- 14/20 is larger.
Answer: 7/10 is larger
🔢 Number
Comparing fractions
Learn comparing fractions with a GCSE-style explanation, help guide, worked example, practice question and flashcards.
Global XP
Level 10 / 100 XP
1. Explanation
Key idea
- Comparing fractions is part of fractions and appears often in KS3–GCSE maths.
- Compare fractions by using a common denominator or converting to decimals.
- Use the worked model, help guide, interactive question and flashcards to practise comparing fractions until the steps feel automatic.
Real-life examples
- Shopping, sport, travel, science, design and everyday decisions all use this skill.
2. Visual
Comparing fractions learning map
Understand the key idea → follow the help guide → practise a question → check your method → build speed with flashcards.
3. Help guide
How to tackle Comparing fractions
- Learn the rule: Compare fractions by using a common denominator or converting to decimals.
- Worked model: Use common denominator 20 for 3/5 and 7/10. 3/5 = 12/20 and 7/10 = 14/20. 14/20 is larger.
- Try the interactive question without looking at the answer first.
- Use the flashcards to test the rule, the method and a common check.
4. Worked examples
Step-by-step working
5. Interactive questions
Try it yourself
Which is larger: 3/4 or 2/3?
6. Flashcards
Master quick recall
Flip each card, then choose whether you know it or need more practice.
0 mastered
FrontRule for Comparing fractions
BackCompare fractions by using a common denominator or converting to decimals.
FrontExample answer: Which is larger: 3/4 or 2/3?
Back3/4 = 9/12 and 2/3 = 8/12, so 3/4 is larger.
FrontCommon check for Comparing fractions
BackCheck units/notation, compare with an estimate, and make sure the answer matches the question.
7. Finish
Complete this topic
When you have read the examples, tried the question and reviewed flashcards, claim your topic completion XP.