Simplifying ratios worksheet
Reduce ratios to simplest form in this Class 6 worksheet. Compare quantities in the correct order and convert mixed units before simplifying.
Worked example · Simplify 12 : 18
A group has 12 girls and 18 boys. Write the ratio of girls to boys in simplest form.
The highest common factor of 12 and 18 is 6.
Divide both terms by 6 to get 2 : 3.
Print & practise
A4 paper · 6 questions
Practice questions
Write each term in the requested order. Convert to the same unit first, then divide both terms by their highest common factor.
- Simplify 8 : 20.
- Simplify 24 : 36.
- Simplify 45 : 30.
- Find the simplest ratio of 250 g to 1 kg.
- A box has 14 blue beads and 21 red beads. Find the ratio of red to blue in simplest form.
- Find the simplest ratio of 90 minutes to 2 hours.
Frequently asked questions
How should I use this worksheet?
Keep the order of the quantities. The ratio of red to blue reverses if you compare blue to red.
Where can I check the answers?
Open the separate printable answer key.