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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 346 · 40 questions
TalentJR

How to solve it (Cross-multiply to compare): Compare a/b and c/d: work out a × d and c × b — the bigger product goes with the bigger fraction. Add: make the bottoms the same (use the LCM), add the tops, then simplify. Fraction of a number: divide by the bottom, multiply by the top (3/4 of 48 = 48 ÷ 4 × 3 = 36).

NameDateTime takenScore ___ / 40
  1. 1.What is 6/7 of 77? (a) 77 (b) 66 (c) 11 (d) 67
  2. 2.2/6 + 1/4 = ? (a) 2/3 (b) 7/12 (c) 1/2 (d) 3/10
  3. 3.What is 1/4 of 24? (a) 12 (b) 18 (c) 7 (d) 6
  4. 4.1/3 + 1/4 = ? (a) 2/7 (b) 1/2 (c) 2/3 (d) 7/12
  5. 5.3/4 + 1/2 = ? (a) 2/3 (b) 1 (c) 3/2 (d) 5/4
  6. 6.What is 1/2 of 6? (a) 4 (b) 2 (c) 3 (d) 6
  7. 7.3/7 + 3/7 = ? (a) 6/7 (b) 1 (c) 5/7 (d) 3/7
  8. 8.1/2 + 1/2 = ? (a) 1/2 (b) 3/2 (c) 2 (d) 1
  9. 9.What is 1/4 of 32? (a) 24 (b) 16 (c) 8 (d) 9
  10. 10.2/5 + 1/2 = ? (a) 1 (b) 9/10 (c) 4/5 (d) 3/7
  11. 11.Which fraction is greater: 5/8 or 1/3? (a) 1/3 (b) They are equal (c) 5/8
  12. 12.What is 2/3 of 33? (a) 11 (b) 23 (c) 22 (d) 33
  13. 13.2/4 + 1/8 = ? (a) 1/2 (b) 3/4 (c) 5/8 (d) 1/4
  14. 14.1/2 + 3/4 = ? (a) 2/3 (b) 5/4 (c) 1 (d) 3/2
  15. 15.Which fraction is greater: 1/3 or 1/4? (a) 1/3 (b) 1/4 (c) They are equal
  16. 16.Which fraction is greater: 2/3 or 10/11? (a) They are equal (b) 2/3 (c) 10/11
  17. 17.Which fraction is greater: 2/7 or 3/8? (a) 2/7 (b) They are equal (c) 3/8
  18. 18.Which fraction is greater: 8/11 or 4/9? (a) 8/11 (b) They are equal (c) 4/9
  19. 19.What is 3/7 of 28? (a) 16 (b) 13 (c) 4 (d) 12
  20. 20.What is 1/3 of 30? (a) 9 (b) 10 (c) 20 (d) 11
  21. 21.Which fraction is greater: 3/10 or 4/5? (a) 4/5 (b) They are equal (c) 3/10
  22. 22.1/9 + 3/4 = ? (a) 5/6 (b) 31/36 (c) 8/9 (d) 4/13
  23. 23.What is 1/9 of 72? (a) 64 (b) 9 (c) 8 (d) 16
  24. 24.Which fraction is greater: 4/7 or 4/11? (a) 4/7 (b) They are equal (c) 4/11
  25. 25.2/7 + 3/4 = ? (a) 29/28 (b) 1 (c) 5/11 (d) 15/14
  26. 26.2/6 + 3/5 = ? (a) 9/10 (b) 5/11 (c) 14/15 (d) 29/30
  27. 27.Which fraction is greater: 1/5 or 3/4? (a) They are equal (b) 1/5 (c) 3/4
  28. 28.What is 4/7 of 63? (a) 45 (b) 36 (c) 27 (d) 9
  29. 29.What is 5/8 of 48? (a) 36 (b) 30 (c) 18 (d) 6
  30. 30.Which fraction is greater: 1/6 or 1/3? (a) 1/6 (b) 1/3 (c) They are equal
  31. 31.2/6 + 1/2 = ? (a) 5/6 (b) 1 (c) 2/3 (d) 3/8
  32. 32.Which fraction is greater: 3/7 or 4/11? (a) They are equal (b) 4/11 (c) 3/7
  33. 33.What is 1/2 of 10? (a) 5 (b) 10 (c) 6 (d) 4
  34. 34.What is 1/4 of 28? (a) 14 (b) 7 (c) 8 (d) 21
  35. 35.2/4 + 3/9 = ? (a) 5/6 (b) 5/13 (c) 31/36 (d) 29/36
  36. 36.2/3 + 3/6 = ? (a) 1 (b) 7/6 (c) 4/3 (d) 5/9
  37. 37.What is 7/8 of 72? (a) 9 (b) 63 (c) 64 (d) 72
  38. 38.What is 4/5 of 30? (a) 24 (b) 6 (c) 30 (d) 25
  39. 39.2/8 + 1/3 = ? (a) 3/11 (b) 7/12 (c) 5/8 (d) 13/24
  40. 40.What is 3/4 of 24? (a) 19 (b) 6 (c) 24 (d) 18

Answer key

  1. 66
  2. 7/12
  3. 6
  4. 7/12
  5. 5/4
  6. 3
  7. 6/7
  8. 1
  9. 8
  10. 9/10
  11. 5/8
  12. 22
  13. 5/8
  14. 5/4
  15. 1/3
  16. 10/11
  17. 3/8
  18. 8/11
  19. 12
  20. 10
  21. 4/5
  22. 31/36
  23. 8
  24. 4/7
  25. 29/28
  26. 14/15
  27. 3/4
  28. 36
  29. 30
  30. 1/3
  31. 5/6
  32. 3/7
  33. 5
  34. 7
  35. 5/6
  36. 7/6
  37. 63
  38. 24
  39. 7/12
  40. 18

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