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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 362 · 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: 1/4 or 4/5? (a) 1/4 (b) They are equal (c) 4/5
  2. 2.Which fraction is greater: 1/3 or 2/9? (a) 1/3 (b) 2/9 (c) They are equal
  3. 3.8/9 + 2/3 = ? (a) 13/9 (b) 14/9 (c) 5/3 (d) 5/6
  4. 4.6/9 + 2/3 = ? (a) 2/3 (b) 13/9 (c) 4/3 (d) 11/9
  5. 5.What is 1/3 of 12? (a) 3 (b) 8 (c) 5 (d) 4
  6. 6.6/8 + 1/2 = ? (a) 5/4 (b) 11/8 (c) 9/8 (d) 7/10
  7. 7.Which fraction is greater: 1/7 or 4/11? (a) They are equal (b) 4/11 (c) 1/7
  8. 8.What is 1/6 of 30? (a) 5 (b) 6 (c) 25 (d) 10
  9. 9.Which fraction is greater: 2/5 or 6/7? (a) They are equal (b) 6/7 (c) 2/5
  10. 10.What is 4/9 of 18? (a) 9 (b) 2 (c) 10 (d) 8
  11. 11.1/8 + 1/2 = ? (a) 3/4 (b) 1/2 (c) 1/5 (d) 5/8
  12. 12.2/3 + 3/6 = ? (a) 7/6 (b) 4/3 (c) 1 (d) 5/9
  13. 13.Which fraction is greater: 4/5 or 11/12? (a) They are equal (b) 4/5 (c) 11/12
  14. 14.1/4 + 2/8 = ? (a) 3/8 (b) 1/4 (c) 5/8 (d) 1/2
  15. 15.What is 1/2 of 16? (a) 8 (b) 16 (c) 7 (d) 9
  16. 16.Which fraction is greater: 2/3 or 1/5? (a) 1/5 (b) They are equal (c) 2/3
  17. 17.What is 7/9 of 27? (a) 6 (b) 24 (c) 3 (d) 21
  18. 18.What is 5/6 of 54? (a) 9 (b) 54 (c) 45 (d) 46
  19. 19.Which fraction is greater: 5/12 or 4/5? (a) 5/12 (b) They are equal (c) 4/5
  20. 20.3/4 + 1/4 = ? (a) 1/2 (b) 3/4 (c) 1 (d) 5/4
  21. 21.What is 1/2 of 18? (a) 9 (b) 8 (c) 10 (d) 18
  22. 22.2/3 + 4/5 = ? (a) 7/5 (b) 3/4 (c) 22/15 (d) 23/15
  23. 23.What is 1/2 of 12? (a) 7 (b) 6 (c) 12 (d) 5
  24. 24.What is 3/7 of 84? (a) 37 (b) 12 (c) 36 (d) 48
  25. 25.What is 4/7 of 14? (a) 6 (b) 8 (c) 10 (d) 2
  26. 26.What is 1/3 of 15? (a) 4 (b) 10 (c) 6 (d) 5
  27. 27.Which fraction is greater: 1/4 or 3/5? (a) 1/4 (b) 3/5 (c) They are equal
  28. 28.What is 3/4 of 40? (a) 40 (b) 31 (c) 10 (d) 30
  29. 29.Which fraction is greater: 5/6 or 5/9? (a) 5/6 (b) 5/9 (c) They are equal
  30. 30.3/4 + 3/5 = ? (a) 27/20 (b) 2/3 (c) 13/10 (d) 7/5
  31. 31.What is 2/3 of 33? (a) 23 (b) 33 (c) 22 (d) 11
  32. 32.3/7 + 1/3 = ? (a) 2/5 (b) 5/7 (c) 17/21 (d) 16/21
  33. 33.Which fraction is greater: 1/5 or 1/3? (a) 1/3 (b) They are equal (c) 1/5
  34. 34.What is 1/3 of 21? (a) 14 (b) 7 (c) 8 (d) 6
  35. 35.3/6 + 2/3 = ? (a) 5/9 (b) 7/6 (c) 4/3 (d) 1
  36. 36.Which fraction is greater: 3/4 or 6/7? (a) 6/7 (b) 3/4 (c) They are equal
  37. 37.What is 1/4 of 24? (a) 6 (b) 18 (c) 7 (d) 12
  38. 38.Which fraction is greater: 5/6 or 1/11? (a) They are equal (b) 5/6 (c) 1/11
  39. 39.4/7 + 1/2 = ? (a) 5/9 (b) 1 (c) 15/14 (d) 8/7
  40. 40.7/8 + 3/4 = ? (a) 3/2 (b) 5/6 (c) 7/4 (d) 13/8

Answer key

  1. 4/5
  2. 1/3
  3. 14/9
  4. 4/3
  5. 4
  6. 5/4
  7. 4/11
  8. 5
  9. 6/7
  10. 8
  11. 5/8
  12. 7/6
  13. 11/12
  14. 1/2
  15. 8
  16. 2/3
  17. 21
  18. 45
  19. 4/5
  20. 1
  21. 9
  22. 22/15
  23. 6
  24. 36
  25. 8
  26. 5
  27. 3/5
  28. 30
  29. 5/6
  30. 27/20
  31. 22
  32. 16/21
  33. 1/3
  34. 7
  35. 7/6
  36. 6/7
  37. 6
  38. 5/6
  39. 15/14
  40. 13/8

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