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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 77 · 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: 3/8 or 1/5? (a) 3/8 (b) 1/5 (c) They are equal
  2. 2.2/9 + 1/2 = ? (a) 2/3 (b) 7/9 (c) 13/18 (d) 3/11
  3. 3.Which fraction is greater: 2/5 or 1/4? (a) 2/5 (b) They are equal (c) 1/4
  4. 4.1/2 + 2/3 = ? (a) 4/3 (b) 7/6 (c) 3/5 (d) 1
  5. 5.4/9 + 1/3 = ? (a) 8/9 (b) 2/3 (c) 7/9 (d) 5/12
  6. 6.What is 8/9 of 36? (a) 4 (b) 32 (c) 33 (d) 36
  7. 7.Which fraction is greater: 9/10 or 3/5? (a) 9/10 (b) They are equal (c) 3/5
  8. 8.Which fraction is greater: 1/7 or 1/8? (a) 1/8 (b) 1/7 (c) They are equal
  9. 9.Which fraction is greater: 1/3 or 3/11? (a) 1/3 (b) 3/11 (c) They are equal
  10. 10.1/2 + 1/4 = ? (a) 3/4 (b) 1/3 (c) 1 (d) 1/2
  11. 11.What is 7/8 of 72? (a) 9 (b) 72 (c) 64 (d) 63
  12. 12.Which fraction is greater: 1/9 or 1/4? (a) They are equal (b) 1/9 (c) 1/4
  13. 13.What is 1/2 of 20? (a) 9 (b) 10 (c) 20 (d) 11
  14. 14.What is 5/9 of 72? (a) 48 (b) 40 (c) 32 (d) 8
  15. 15.Which fraction is greater: 1/7 or 1/3? (a) 1/3 (b) They are equal (c) 1/7
  16. 16.Which fraction is greater: 5/7 or 3/4? (a) They are equal (b) 5/7 (c) 3/4
  17. 17.2/3 + 2/3 = ? (a) 4/3 (b) 2/3 (c) 5/3 (d) 1
  18. 18.Which fraction is greater: 1/12 or 1/4? (a) 1/4 (b) 1/12 (c) They are equal
  19. 19.1/6 + 1/3 = ? (a) 2/3 (b) 2/9 (c) 1/3 (d) 1/2
  20. 20.1/4 + 1/2 = ? (a) 1/3 (b) 3/4 (c) 1 (d) 1/2
  21. 21.Which fraction is greater: 7/10 or 1/3? (a) They are equal (b) 7/10 (c) 1/3
  22. 22.Which fraction is greater: 1/3 or 4/5? (a) 4/5 (b) 1/3 (c) They are equal
  23. 23.What is 1/7 of 84? (a) 12 (b) 13 (c) 72 (d) 24
  24. 24.2/3 + 1/2 = ? (a) 3/5 (b) 4/3 (c) 1 (d) 7/6
  25. 25.What is 1/4 of 24? (a) 18 (b) 6 (c) 7 (d) 12
  26. 26.Which fraction is greater: 5/9 or 3/11? (a) 3/11 (b) They are equal (c) 5/9
  27. 27.What is 2/3 of 12? (a) 4 (b) 8 (c) 9 (d) 12
  28. 28.What is 1/2 of 12? (a) 5 (b) 6 (c) 12 (d) 7
  29. 29.Which fraction is greater: 5/11 or 1/7? (a) 5/11 (b) They are equal (c) 1/7
  30. 30.Which fraction is greater: 11/12 or 1/6? (a) 11/12 (b) 1/6 (c) They are equal
  31. 31.2/5 + 2/3 = ? (a) 1/2 (b) 1 (c) 16/15 (d) 17/15
  32. 32.What is 1/2 of 22? (a) 11 (b) 22 (c) 10 (d) 12
  33. 33.Which fraction is greater: 1/8 or 2/3? (a) 2/3 (b) They are equal (c) 1/8
  34. 34.What is 6/7 of 35? (a) 35 (b) 30 (c) 5 (d) 31
  35. 35.Which fraction is greater: 3/5 or 5/11? (a) 5/11 (b) They are equal (c) 3/5
  36. 36.Which fraction is greater: 7/9 or 1/11? (a) 7/9 (b) 1/11 (c) They are equal
  37. 37.What is 1/3 of 12? (a) 8 (b) 5 (c) 4 (d) 3
  38. 38.2/5 + 4/5 = ? (a) 3/5 (b) 6/5 (c) 7/5 (d) 1
  39. 39.Which fraction is greater: 5/6 or 1/4? (a) 1/4 (b) 5/6 (c) They are equal
  40. 40.5/6 + 5/6 = ? (a) 5/6 (b) 3/2 (c) 11/6 (d) 5/3

Answer key

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

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