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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 686 · 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 1/4 of 44? (a) 33 (b) 11 (c) 22 (d) 12
  2. 2.What is 1/6 of 66? (a) 55 (b) 11 (c) 12 (d) 22
  3. 3.Which fraction is greater: 3/5 or 9/10? (a) They are equal (b) 9/10 (c) 3/5
  4. 4.Which fraction is greater: 8/9 or 3/10? (a) 8/9 (b) 3/10 (c) They are equal
  5. 5.2/7 + 4/7 = ? (a) 1 (b) 3/7 (c) 6/7 (d) 5/7
  6. 6.1/3 + 1/7 = ? (a) 11/21 (b) 3/7 (c) 10/21 (d) 1/5
  7. 7.1/2 + 2/3 = ? (a) 1 (b) 4/3 (c) 3/5 (d) 7/6
  8. 8.What is 1/3 of 6? (a) 1 (b) 4 (c) 3 (d) 2
  9. 9.3/4 + 5/7 = ? (a) 8/11 (b) 3/2 (c) 41/28 (d) 10/7
  10. 10.Which fraction is greater: 1/7 or 3/10? (a) They are equal (b) 1/7 (c) 3/10
  11. 11.2/8 + 3/4 = ? (a) 9/8 (b) 1 (c) 5/12 (d) 7/8
  12. 12.Which fraction is greater: 3/5 or 7/8? (a) They are equal (b) 3/5 (c) 7/8
  13. 13.What is 2/3 of 27? (a) 19 (b) 18 (c) 9 (d) 27
  14. 14.5/8 + 2/3 = ? (a) 5/4 (b) 31/24 (c) 4/3 (d) 7/11
  15. 15.Which fraction is greater: 4/5 or 1/9? (a) 1/9 (b) They are equal (c) 4/5
  16. 16.Which fraction is greater: 1/3 or 3/4? (a) 1/3 (b) 3/4 (c) They are equal
  17. 17.What is 1/3 of 15? (a) 5 (b) 6 (c) 4 (d) 10
  18. 18.Which fraction is greater: 1/6 or 2/5? (a) They are equal (b) 2/5 (c) 1/6
  19. 19.What is 3/4 of 48? (a) 12 (b) 37 (c) 36 (d) 48
  20. 20.What is 2/3 of 21? (a) 14 (b) 21 (c) 7 (d) 15
  21. 21.What is 1/2 of 24? (a) 11 (b) 24 (c) 12 (d) 13
  22. 22.1/2 + 2/7 = ? (a) 6/7 (b) 1/3 (c) 11/14 (d) 5/7
  23. 23.What is 1/2 of 14? (a) 8 (b) 7 (c) 14 (d) 6
  24. 24.Which fraction is greater: 8/11 or 1/9? (a) 1/9 (b) They are equal (c) 8/11
  25. 25.Which fraction is greater: 2/5 or 6/11? (a) 6/11 (b) 2/5 (c) They are equal
  26. 26.2/4 + 2/8 = ? (a) 5/8 (b) 3/4 (c) 1/3 (d) 7/8
  27. 27.What is 2/3 of 33? (a) 11 (b) 33 (c) 22 (d) 23
  28. 28.Which fraction is greater: 6/11 or 3/7? (a) They are equal (b) 6/11 (c) 3/7
  29. 29.Which fraction is greater: 6/7 or 1/10? (a) 1/10 (b) They are equal (c) 6/7
  30. 30.What is 3/4 of 24? (a) 6 (b) 18 (c) 19 (d) 24
  31. 31.1/7 + 2/3 = ? (a) 3/10 (b) 6/7 (c) 16/21 (d) 17/21
  32. 32.What is 1/3 of 18? (a) 6 (b) 7 (c) 12 (d) 5
  33. 33.What is 1/3 of 36? (a) 13 (b) 12 (c) 24 (d) 11
  34. 34.What is 1/2 of 8? (a) 5 (b) 8 (c) 3 (d) 4
  35. 35.What is 1/7 of 63? (a) 18 (b) 10 (c) 9 (d) 54
  36. 36.5/7 + 2/3 = ? (a) 4/3 (b) 10/7 (c) 7/10 (d) 29/21
  37. 37.Which fraction is greater: 3/5 or 3/11? (a) 3/11 (b) They are equal (c) 3/5
  38. 38.5/6 + 2/3 = ? (a) 7/9 (b) 3/2 (c) 4/3 (d) 5/3
  39. 39.1/2 + 1/7 = ? (a) 5/7 (b) 2/9 (c) 9/14 (d) 4/7
  40. 40.1/2 + 3/8 = ? (a) 7/8 (b) 3/4 (c) 1 (d) 2/5

Answer key

  1. 11
  2. 11
  3. 9/10
  4. 8/9
  5. 6/7
  6. 10/21
  7. 7/6
  8. 2
  9. 41/28
  10. 3/10
  11. 1
  12. 7/8
  13. 18
  14. 31/24
  15. 4/5
  16. 3/4
  17. 5
  18. 2/5
  19. 36
  20. 14
  21. 12
  22. 11/14
  23. 7
  24. 8/11
  25. 6/11
  26. 3/4
  27. 22
  28. 6/11
  29. 6/7
  30. 18
  31. 17/21
  32. 6
  33. 12
  34. 4
  35. 9
  36. 29/21
  37. 3/5
  38. 3/2
  39. 9/14
  40. 7/8

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