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Ratios and Fractions
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Ratios and Fractions
📊 Part 1: Converting Ratios to Fractions
1. The ratio of red marbles to blue marbles is 3:4. What fraction of the total marbles are red?
3/4
3/7
4/7
4/3
2. In a recipe, the ratio of flour to sugar is 5:2. Express this ratio as a fraction comparing flour to sugar.
Answer: _______
3. A class has boys and girls in the ratio 3:5. What fraction represents the girls as part of the whole class?
4. Convert these ratios to fractions showing each part of the total:
a) 2:3 → 2 parts = _____ and 3 parts = _____
b) 4:6 → 4 parts = _____ and 6 parts = _____
✂️ Part 2: Simplifying Ratios
5. Simplify these ratios to their lowest terms:
a) 6:9 = _____
b) 8:12 = _____
c) 15:20 = _____
d) 10:25 = _____
6. Which of these ratios are equivalent to 2:3?
4:6
6:9
8:10
10:15
7. A paint mixture uses red and white paint in the ratio 12:18. Simplify this ratio and explain what it means.
🧠 Part 3: Problem Solving
8. In a fruit bowl, there are apples and oranges in the ratio 7:3. If there are 30 pieces of fruit altogether, how many are apples and how many are oranges?
9. Sarah mixes orange squash with water in the ratio 1:4. What fraction of her drink is orange squash?
1/4
1/5
4/5
1/3
10. Explain in your own words how ratios and fractions are related. Give an example.
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