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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 966 · 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: 2/5 or 1/3? (a) They are equal (b) 2/5 (c) 1/3
  2. 2.1/3 + 1/2 = ? (a) 5/6 (b) 2/3 (c) 1 (d) 2/5
  3. 3.1/2 + 4/7 = ? (a) 15/14 (b) 1 (c) 5/9 (d) 8/7
  4. 4.7/9 + 1/2 = ? (a) 8/11 (b) 4/3 (c) 11/9 (d) 23/18
  5. 5.4/5 + 3/4 = ? (a) 31/20 (b) 8/5 (c) 3/2 (d) 7/9
  6. 6.5/8 + 2/4 = ? (a) 1 (b) 9/8 (c) 7/12 (d) 5/4
  7. 7.Which fraction is greater: 8/9 or 1/10? (a) 1/10 (b) 8/9 (c) They are equal
  8. 8.What is 3/4 of 48? (a) 48 (b) 37 (c) 12 (d) 36
  9. 9.What is 1/8 of 72? (a) 10 (b) 9 (c) 63 (d) 18
  10. 10.What is 3/4 of 8? (a) 6 (b) 7 (c) 8 (d) 2
  11. 11.1/3 + 6/9 = ? (a) 10/9 (b) 8/9 (c) 1 (d) 7/12
  12. 12.What is 1/2 of 20? (a) 10 (b) 11 (c) 20 (d) 9
  13. 13.Which fraction is greater: 4/5 or 5/11? (a) They are equal (b) 4/5 (c) 5/11
  14. 14.What is 1/2 of 4? (a) 3 (b) 1 (c) 2 (d) 4
  15. 15.What is 1/6 of 18? (a) 6 (b) 3 (c) 15 (d) 4
  16. 16.What is 3/8 of 72? (a) 27 (b) 45 (c) 9 (d) 36
  17. 17.Which fraction is greater: 5/7 or 2/3? (a) 2/3 (b) 5/7 (c) They are equal
  18. 18.What is 2/3 of 15? (a) 10 (b) 5 (c) 15 (d) 11
  19. 19.What is 1/2 of 18? (a) 10 (b) 18 (c) 8 (d) 9
  20. 20.Which fraction is greater: 5/7 or 5/9? (a) 5/7 (b) They are equal (c) 5/9
  21. 21.Which fraction is greater: 4/7 or 3/4? (a) They are equal (b) 3/4 (c) 4/7
  22. 22.4/7 + 1/3 = ? (a) 20/21 (b) 6/7 (c) 19/21 (d) 1/2
  23. 23.Which fraction is greater: 1/11 or 5/12? (a) 1/11 (b) 5/12 (c) They are equal
  24. 24.What is 1/5 of 20? (a) 5 (b) 4 (c) 16 (d) 8
  25. 25.Which fraction is greater: 1/5 or 1/4? (a) 1/4 (b) They are equal (c) 1/5
  26. 26.What is 1/4 of 40? (a) 20 (b) 11 (c) 30 (d) 10
  27. 27.Which fraction is greater: 4/9 or 1/3? (a) 4/9 (b) 1/3 (c) They are equal
  28. 28.What is 4/5 of 35? (a) 35 (b) 7 (c) 28 (d) 29
  29. 29.Which fraction is greater: 1/11 or 1/4? (a) 1/11 (b) They are equal (c) 1/4
  30. 30.What is 1/2 of 24? (a) 24 (b) 11 (c) 12 (d) 13
  31. 31.Which fraction is greater: 1/4 or 1/5? (a) They are equal (b) 1/4 (c) 1/5
  32. 32.Which fraction is greater: 1/9 or 7/11? (a) 7/11 (b) 1/9 (c) They are equal
  33. 33.What is 8/9 of 72? (a) 72 (b) 64 (c) 8 (d) 65
  34. 34.Which fraction is greater: 1/3 or 3/10? (a) 3/10 (b) They are equal (c) 1/3
  35. 35.What is 1/7 of 21? (a) 6 (b) 18 (c) 3 (d) 4
  36. 36.2/4 + 2/3 = ? (a) 13/12 (b) 7/6 (c) 4/7 (d) 5/4
  37. 37.What is 1/2 of 6? (a) 2 (b) 6 (c) 3 (d) 4
  38. 38.Which fraction is greater: 8/9 or 1/3? (a) 1/3 (b) 8/9 (c) They are equal
  39. 39.3/4 + 1/5 = ? (a) 9/10 (b) 4/9 (c) 1 (d) 19/20
  40. 40.What is 4/9 of 108? (a) 12 (b) 60 (c) 49 (d) 48

Answer key

  1. 2/5
  2. 5/6
  3. 15/14
  4. 23/18
  5. 31/20
  6. 9/8
  7. 8/9
  8. 36
  9. 9
  10. 6
  11. 1
  12. 10
  13. 4/5
  14. 2
  15. 3
  16. 27
  17. 5/7
  18. 10
  19. 9
  20. 5/7
  21. 3/4
  22. 19/21
  23. 5/12
  24. 4
  25. 1/4
  26. 10
  27. 4/9
  28. 28
  29. 1/4
  30. 12
  31. 1/4
  32. 7/11
  33. 64
  34. 1/3
  35. 3
  36. 7/6
  37. 3
  38. 8/9
  39. 19/20
  40. 48

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