Let’s solve each problem step by step. Remember: “of” means multiply! So, for example, 1/5 of 20 means (1/5) × 20.
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1. 1/5 of 20
→ Multiply: (1 ÷ 5) × 20 = 0.2 × 20 =
4
Or think: 20 divided into 5 equal parts → each part is 4 → so 1 part is 4.
✔ Answer:
4
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2. 2/3 of 24
→ First, find 1/3 of 24: 24 ÷ 3 = 8
→ Then take 2 parts: 8 × 2 =
16
✔ Answer:
16
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3. 3/4 of 44
→ Find 1/4 of 44: 44 ÷ 4 = 11
→ Take 3 parts: 11 × 3 =
33
✔ Answer:
33
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4. 2/5 of 35
→ Find 1/5 of 35: 35 ÷ 5 = 7
→ Take 2 parts: 7 × 2 =
14
✔ Answer:
14
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5. 4/5 of 30
→ Find 1/5 of 30: 30 ÷ 5 = 6
→ Take 4 parts: 6 × 4 =
24
✔ Answer:
24
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6. 1/9 of 81
→ 81 ÷ 9 =
9
✔ Answer:
9
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7. 5/6 of 18
→ Find 1/6 of 18: 18 ÷ 6 = 3
→ Take 5 parts: 3 × 5 =
15
✔ Answer:
15
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8. 4/7 of 42
→ Find 1/7 of 42: 42 ÷ 7 = 6
→ Take 4 parts: 6 × 4 =
24
✔ Answer:
24
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9. 5/12 of 120
→ Find 1/12 of 120: 120 ÷ 12 = 10
→ Take 5 parts: 10 × 5 =
50
✔ Answer:
50
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10. 8/9 of 63
→ Find 1/9 of 63: 63 ÷ 9 = 7
→ Take 8 parts: 7 × 8 =
56
✔ Answer:
56
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Final Answer:
1. 4
2. 16
3. 33
4. 14
5. 24
6. 9
7. 15
8. 24
9. 50
10. 56
Parent Tip: Review the logic above to help your child master the concept of fraction of a number worksheet.
