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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 436 · 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. 1.2/8 + 2/6 = ? (a) 13/24 (b) 7/12 (c) 5/8 (d) 2/7
  2. 2.What is 5/7 of 84? (a) 12 (b) 24 (c) 72 (d) 60
  3. 3.1/2 + 3/7 = ? (a) 13/14 (b) 6/7 (c) 4/9 (d) 1
  4. 4.3/6 + 7/9 = ? (a) 23/18 (b) 11/9 (c) 4/3 (d) 2/3
  5. 5.1/2 + 3/5 = ? (a) 4/7 (b) 1 (c) 11/10 (d) 6/5
  6. 6.Which fraction is greater: 1/5 or 1/3? (a) 1/5 (b) They are equal (c) 1/3
  7. 7.Which fraction is greater: 1/10 or 2/5? (a) 1/10 (b) They are equal (c) 2/5
  8. 8.Which fraction is greater: 1/9 or 8/11? (a) They are equal (b) 8/11 (c) 1/9
  9. 9.Which fraction is greater: 3/4 or 1/5? (a) 3/4 (b) They are equal (c) 1/5
  10. 10.Which fraction is greater: 3/11 or 1/3? (a) They are equal (b) 1/3 (c) 3/11
  11. 11.Which fraction is greater: 1/5 or 3/4? (a) They are equal (b) 3/4 (c) 1/5
  12. 12.Which fraction is greater: 7/11 or 11/12? (a) 7/11 (b) 11/12 (c) They are equal
  13. 13.What is 1/4 of 20? (a) 15 (b) 5 (c) 6 (d) 10
  14. 14.What is 2/5 of 40? (a) 24 (b) 8 (c) 16 (d) 17
  15. 15.Which fraction is greater: 1/4 or 5/6? (a) 1/4 (b) They are equal (c) 5/6
  16. 16.Which fraction is greater: 2/7 or 1/5? (a) 2/7 (b) 1/5 (c) They are equal
  17. 17.2/4 + 8/9 = ? (a) 25/18 (b) 10/13 (c) 17/12 (d) 49/36
  18. 18.1/2 + 5/9 = ? (a) 6/11 (b) 1 (c) 19/18 (d) 10/9
  19. 19.1/7 + 4/7 = ? (a) 5/7 (b) 5/14 (c) 6/7 (d) 4/7
  20. 20.What is 1/2 of 10? (a) 4 (b) 6 (c) 10 (d) 5
  21. 21.What is 3/8 of 48? (a) 30 (b) 24 (c) 6 (d) 18
  22. 22.What is 1/2 of 22? (a) 22 (b) 10 (c) 12 (d) 11
  23. 23.What is 6/7 of 42? (a) 37 (b) 42 (c) 6 (d) 36
  24. 24.Which fraction is greater: 4/7 or 2/3? (a) 4/7 (b) They are equal (c) 2/3
  25. 25.1/2 + 1/3 = ? (a) 1 (b) 2/3 (c) 5/6 (d) 2/5
  26. 26.4/5 + 1/2 = ? (a) 13/10 (b) 5/7 (c) 7/5 (d) 6/5
  27. 27.What is 1/8 of 16? (a) 14 (b) 2 (c) 3 (d) 4
  28. 28.2/3 + 1/2 = ? (a) 7/6 (b) 1 (c) 3/5 (d) 4/3
  29. 29.What is 4/7 of 28? (a) 12 (b) 4 (c) 16 (d) 20
  30. 30.Which fraction is greater: 2/7 or 2/5? (a) 2/7 (b) 2/5 (c) They are equal
  31. 31.Which fraction is greater: 4/5 or 2/3? (a) 2/3 (b) 4/5 (c) They are equal
  32. 32.Which fraction is greater: 9/11 or 7/9? (a) 7/9 (b) 9/11 (c) They are equal
  33. 33.Which fraction is greater: 1/5 or 2/3? (a) 2/3 (b) 1/5 (c) They are equal
  34. 34.What is 1/5 of 35? (a) 28 (b) 7 (c) 8 (d) 14
  35. 35.What is 2/3 of 21? (a) 7 (b) 21 (c) 14 (d) 15
  36. 36.1/3 + 1/3 = ? (a) 1/3 (b) 1 (c) 2/3 (d) 4/3
  37. 37.5/7 + 1/3 = ? (a) 23/21 (b) 22/21 (c) 3/5 (d) 1
  38. 38.What is 4/7 of 70? (a) 10 (b) 50 (c) 30 (d) 40
  39. 39.Which fraction is greater: 2/5 or 7/8? (a) They are equal (b) 2/5 (c) 7/8
  40. 40.1/2 + 2/8 = ? (a) 7/8 (b) 3/10 (c) 3/4 (d) 5/8

Answer key

  1. 7/12
  2. 60
  3. 13/14
  4. 23/18
  5. 11/10
  6. 1/3
  7. 2/5
  8. 8/11
  9. 3/4
  10. 1/3
  11. 3/4
  12. 11/12
  13. 5
  14. 16
  15. 5/6
  16. 2/7
  17. 25/18
  18. 19/18
  19. 5/7
  20. 5
  21. 18
  22. 11
  23. 36
  24. 2/3
  25. 5/6
  26. 13/10
  27. 2
  28. 7/6
  29. 16
  30. 2/5
  31. 4/5
  32. 9/11
  33. 2/3
  34. 7
  35. 14
  36. 2/3
  37. 22/21
  38. 40
  39. 7/8
  40. 3/4

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