Simplifying ratios worksheet
Write each term in the requested order. Convert to the same unit first, then divide both terms by their highest common factor.
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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.
Practice questions
- 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.