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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 682 · 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.Which fraction is greater: 1/11 or 2/3? (a) 1/11 (b) 2/3 (c) They are equal
  2. 2.Which fraction is greater: 9/11 or 1/3? (a) 9/11 (b) They are equal (c) 1/3
  3. 3.Which fraction is greater: 3/11 or 1/3? (a) 3/11 (b) They are equal (c) 1/3
  4. 4.What is 3/8 of 64? (a) 32 (b) 8 (c) 40 (d) 24
  5. 5.What is 2/3 of 18? (a) 12 (b) 18 (c) 13 (d) 6
  6. 6.Which fraction is greater: 11/12 or 8/9? (a) 11/12 (b) They are equal (c) 8/9
  7. 7.What is 1/2 of 4? (a) 2 (b) 1 (c) 4 (d) 3
  8. 8.What is 1/4 of 8? (a) 4 (b) 3 (c) 2 (d) 6
  9. 9.Which fraction is greater: 1/3 or 1/4? (a) 1/3 (b) They are equal (c) 1/4
  10. 10.2/4 + 1/3 = ? (a) 3/4 (b) 3/7 (c) 11/12 (d) 5/6
  11. 11.1/2 + 5/8 = ? (a) 9/8 (b) 3/5 (c) 1 (d) 5/4
  12. 12.Which fraction is greater: 1/4 or 1/8? (a) 1/4 (b) 1/8 (c) They are equal
  13. 13.1/9 + 3/4 = ? (a) 5/6 (b) 31/36 (c) 8/9 (d) 4/13
  14. 14.Which fraction is greater: 5/6 or 9/11? (a) 5/6 (b) They are equal (c) 9/11
  15. 15.What is 7/8 of 80? (a) 71 (b) 70 (c) 10 (d) 80
  16. 16.Which fraction is greater: 2/3 or 7/10? (a) 2/3 (b) They are equal (c) 7/10
  17. 17.Which fraction is greater: 3/5 or 5/8? (a) 3/5 (b) 5/8 (c) They are equal
  18. 18.2/9 + 3/9 = ? (a) 2/3 (b) 5/18 (c) 4/9 (d) 5/9
  19. 19.What is 1/9 of 72? (a) 16 (b) 64 (c) 9 (d) 8
  20. 20.Which fraction is greater: 7/11 or 1/3? (a) 1/3 (b) They are equal (c) 7/11
  21. 21.1/4 + 1/2 = ? (a) 1/3 (b) 1/2 (c) 1 (d) 3/4
  22. 22.5/6 + 1/8 = ? (a) 1 (b) 23/24 (c) 11/12 (d) 3/7
  23. 23.1/2 + 1/2 = ? (a) 3/2 (b) 2 (c) 1/2 (d) 1
  24. 24.Which fraction is greater: 3/5 or 3/7? (a) 3/5 (b) They are equal (c) 3/7
  25. 25.Which fraction is greater: 3/7 or 4/5? (a) They are equal (b) 4/5 (c) 3/7
  26. 26.What is 1/3 of 21? (a) 6 (b) 14 (c) 7 (d) 8
  27. 27.Which fraction is greater: 1/12 or 1/5? (a) They are equal (b) 1/12 (c) 1/5
  28. 28.6/7 + 2/3 = ? (a) 11/7 (b) 32/21 (c) 31/21 (d) 4/5
  29. 29.1/8 + 1/2 = ? (a) 3/4 (b) 1/5 (c) 5/8 (d) 1/2
  30. 30.6/7 + 1/3 = ? (a) 26/21 (b) 25/21 (c) 7/10 (d) 8/7
  31. 31.Which fraction is greater: 3/4 or 3/5? (a) 3/5 (b) They are equal (c) 3/4
  32. 32.Which fraction is greater: 6/7 or 4/5? (a) They are equal (b) 6/7 (c) 4/5
  33. 33.1/4 + 3/5 = ? (a) 4/9 (b) 4/5 (c) 9/10 (d) 17/20
  34. 34.Which fraction is greater: 4/7 or 3/5? (a) 3/5 (b) They are equal (c) 4/7
  35. 35.What is 1/5 of 10? (a) 2 (b) 3 (c) 4 (d) 8
  36. 36.Which fraction is greater: 3/11 or 5/7? (a) They are equal (b) 3/11 (c) 5/7
  37. 37.Which fraction is greater: 1/6 or 7/10? (a) 7/10 (b) 1/6 (c) They are equal
  38. 38.2/4 + 3/7 = ? (a) 25/28 (b) 5/11 (c) 13/14 (d) 27/28
  39. 39.Which fraction is greater: 8/9 or 8/11? (a) 8/11 (b) They are equal (c) 8/9
  40. 40.3/9 + 1/6 = ? (a) 4/9 (b) 1/2 (c) 4/15 (d) 5/9

Answer key

  1. 2/3
  2. 9/11
  3. 1/3
  4. 24
  5. 12
  6. 11/12
  7. 2
  8. 2
  9. 1/3
  10. 5/6
  11. 9/8
  12. 1/4
  13. 31/36
  14. 5/6
  15. 70
  16. 7/10
  17. 5/8
  18. 5/9
  19. 8
  20. 7/11
  21. 3/4
  22. 23/24
  23. 1
  24. 3/5
  25. 4/5
  26. 7
  27. 1/5
  28. 32/21
  29. 5/8
  30. 25/21
  31. 3/4
  32. 6/7
  33. 17/20
  34. 3/5
  35. 2
  36. 5/7
  37. 7/10
  38. 13/14
  39. 8/9
  40. 1/2

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