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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 223 · 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 2/3 of 15? (a) 11 (b) 10 (c) 15 (d) 5
  2. 2.What is 1/7 of 84? (a) 72 (b) 13 (c) 24 (d) 12
  3. 3.What is 1/4 of 40? (a) 30 (b) 11 (c) 20 (d) 10
  4. 4.Which fraction is greater: 1/5 or 3/4? (a) 1/5 (b) They are equal (c) 3/4
  5. 5.4/7 + 5/7 = ? (a) 8/7 (b) 10/7 (c) 9/14 (d) 9/7
  6. 6.What is 2/7 of 63? (a) 45 (b) 9 (c) 27 (d) 18
  7. 7.2/4 + 2/3 = ? (a) 5/4 (b) 7/6 (c) 4/7 (d) 13/12
  8. 8.What is 3/7 of 21? (a) 3 (b) 10 (c) 12 (d) 9
  9. 9.What is 1/8 of 64? (a) 9 (b) 56 (c) 8 (d) 16
  10. 10.Which fraction is greater: 3/8 or 1/5? (a) They are equal (b) 3/8 (c) 1/5
  11. 11.Which fraction is greater: 5/9 or 6/11? (a) 6/11 (b) They are equal (c) 5/9
  12. 12.1/2 + 3/6 = ? (a) 7/6 (b) 5/6 (c) 1 (d) 1/2
  13. 13.What is 1/2 of 6? (a) 2 (b) 6 (c) 4 (d) 3
  14. 14.What is 2/3 of 24? (a) 17 (b) 24 (c) 16 (d) 8
  15. 15.1/3 + 1/2 = ? (a) 5/6 (b) 2/5 (c) 2/3 (d) 1
  16. 16.What is 1/2 of 14? (a) 14 (b) 8 (c) 6 (d) 7
  17. 17.What is 2/9 of 27? (a) 6 (b) 9 (c) 3 (d) 21
  18. 18.Which fraction is greater: 4/5 or 3/7? (a) They are equal (b) 4/5 (c) 3/7
  19. 19.Which fraction is greater: 3/8 or 1/6? (a) They are equal (b) 1/6 (c) 3/8
  20. 20.What is 1/2 of 20? (a) 11 (b) 10 (c) 9 (d) 20
  21. 21.Which fraction is greater: 1/4 or 9/11? (a) 9/11 (b) 1/4 (c) They are equal
  22. 22.What is 1/3 of 18? (a) 12 (b) 7 (c) 6 (d) 5
  23. 23.3/6 + 1/4 = ? (a) 5/6 (b) 2/5 (c) 2/3 (d) 3/4
  24. 24.3/4 + 1/4 = ? (a) 1/2 (b) 1 (c) 5/4 (d) 3/4
  25. 25.3/6 + 3/4 = ? (a) 3/5 (b) 7/6 (c) 4/3 (d) 5/4
  26. 26.1/4 + 2/3 = ? (a) 3/7 (b) 1 (c) 11/12 (d) 5/6
  27. 27.Which fraction is greater: 1/5 or 2/3? (a) 1/5 (b) 2/3 (c) They are equal
  28. 28.Which fraction is greater: 3/4 or 2/7? (a) 2/7 (b) 3/4 (c) They are equal
  29. 29.What is 1/7 of 21? (a) 3 (b) 18 (c) 4 (d) 6
  30. 30.What is 1/3 of 21? (a) 14 (b) 7 (c) 8 (d) 6
  31. 31.2/3 + 1/7 = ? (a) 17/21 (b) 16/21 (c) 6/7 (d) 3/10
  32. 32.Which fraction is greater: 2/3 or 2/5? (a) 2/3 (b) They are equal (c) 2/5
  33. 33.6/8 + 6/8 = ? (a) 3/2 (b) 13/8 (c) 3/4 (d) 11/8
  34. 34.1/6 + 5/8 = ? (a) 3/7 (b) 3/4 (c) 19/24 (d) 5/6
  35. 35.Which fraction is greater: 3/5 or 7/12? (a) 7/12 (b) 3/5 (c) They are equal
  36. 36.What is 1/8 of 32? (a) 5 (b) 4 (c) 8 (d) 28
  37. 37.What is 1/2 of 4? (a) 4 (b) 2 (c) 3 (d) 1
  38. 38.What is 1/2 of 12? (a) 12 (b) 7 (c) 5 (d) 6
  39. 39.4/5 + 4/6 = ? (a) 3/2 (b) 43/30 (c) 22/15 (d) 8/11
  40. 40.What is 1/6 of 36? (a) 6 (b) 7 (c) 30 (d) 12

Answer key

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

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