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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 230 · 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.What is 1/2 of 10? (a) 6 (b) 10 (c) 4 (d) 5
  2. 2.1/9 + 5/6 = ? (a) 2/5 (b) 1 (c) 17/18 (d) 8/9
  3. 3.What is 5/6 of 60? (a) 10 (b) 51 (c) 60 (d) 50
  4. 4.What is 6/7 of 84? (a) 12 (b) 84 (c) 72 (d) 73
  5. 5.What is 4/9 of 81? (a) 45 (b) 9 (c) 37 (d) 36
  6. 6.What is 1/8 of 40? (a) 5 (b) 6 (c) 35 (d) 10
  7. 7.2/6 + 1/2 = ? (a) 3/8 (b) 2/3 (c) 1 (d) 5/6
  8. 8.Which fraction is greater: 1/8 or 4/5? (a) 1/8 (b) They are equal (c) 4/5
  9. 9.What is 1/3 of 36? (a) 24 (b) 13 (c) 11 (d) 12
  10. 10.1/3 + 1/8 = ? (a) 5/12 (b) 1/2 (c) 11/24 (d) 2/11
  11. 11.What is 1/3 of 9? (a) 2 (b) 6 (c) 4 (d) 3
  12. 12.2/4 + 1/2 = ? (a) 5/4 (b) 3/4 (c) 1/2 (d) 1
  13. 13.7/8 + 3/4 = ? (a) 3/2 (b) 7/4 (c) 5/6 (d) 13/8
  14. 14.Which fraction is greater: 1/4 or 5/11? (a) 1/4 (b) They are equal (c) 5/11
  15. 15.Which fraction is greater: 3/5 or 5/6? (a) 3/5 (b) 5/6 (c) They are equal
  16. 16.Which fraction is greater: 3/10 or 3/5? (a) 3/5 (b) They are equal (c) 3/10
  17. 17.Which fraction is greater: 1/8 or 3/5? (a) They are equal (b) 3/5 (c) 1/8
  18. 18.4/6 + 2/8 = ? (a) 23/24 (b) 7/8 (c) 11/12 (d) 3/7
  19. 19.1/2 + 1/4 = ? (a) 3/4 (b) 1/2 (c) 1/3 (d) 1
  20. 20.Which fraction is greater: 1/6 or 3/4? (a) 1/6 (b) 3/4 (c) They are equal
  21. 21.1/2 + 3/5 = ? (a) 6/5 (b) 11/10 (c) 1 (d) 4/7
  22. 22.2/8 + 5/6 = ? (a) 1/2 (b) 25/24 (c) 9/8 (d) 13/12
  23. 23.Which fraction is greater: 3/7 or 1/4? (a) 1/4 (b) 3/7 (c) They are equal
  24. 24.What is 2/3 of 33? (a) 11 (b) 22 (c) 23 (d) 33
  25. 25.Which fraction is greater: 2/3 or 1/4? (a) 1/4 (b) 2/3 (c) They are equal
  26. 26.1/6 + 1/4 = ? (a) 1/3 (b) 5/12 (c) 1/2 (d) 1/5
  27. 27.Which fraction is greater: 2/5 or 1/6? (a) 1/6 (b) 2/5 (c) They are equal
  28. 28.Which fraction is greater: 5/7 or 10/11? (a) 5/7 (b) 10/11 (c) They are equal
  29. 29.3/9 + 2/4 = ? (a) 31/36 (b) 5/6 (c) 29/36 (d) 5/13
  30. 30.What is 1/3 of 18? (a) 6 (b) 5 (c) 7 (d) 12
  31. 31.Which fraction is greater: 10/11 or 7/10? (a) They are equal (b) 10/11 (c) 7/10
  32. 32.What is 3/4 of 44? (a) 33 (b) 34 (c) 44 (d) 11
  33. 33.Which fraction is greater: 3/11 or 5/7? (a) 3/11 (b) They are equal (c) 5/7
  34. 34.Which fraction is greater: 3/4 or 2/7? (a) 2/7 (b) They are equal (c) 3/4
  35. 35.1/4 + 1/2 = ? (a) 1/2 (b) 1/3 (c) 3/4 (d) 1
  36. 36.Which fraction is greater: 1/3 or 1/4? (a) 1/4 (b) 1/3 (c) They are equal
  37. 37.1/2 + 2/3 = ? (a) 1 (b) 3/5 (c) 4/3 (d) 7/6
  38. 38.4/7 + 1/2 = ? (a) 5/9 (b) 15/14 (c) 1 (d) 8/7
  39. 39.Which fraction is greater: 1/10 or 1/3? (a) 1/10 (b) They are equal (c) 1/3
  40. 40.Which fraction is greater: 8/11 or 1/3? (a) They are equal (b) 8/11 (c) 1/3

Answer key

  1. 5
  2. 17/18
  3. 50
  4. 72
  5. 36
  6. 5
  7. 5/6
  8. 4/5
  9. 12
  10. 11/24
  11. 3
  12. 1
  13. 13/8
  14. 5/11
  15. 5/6
  16. 3/5
  17. 3/5
  18. 11/12
  19. 3/4
  20. 3/4
  21. 11/10
  22. 13/12
  23. 3/7
  24. 22
  25. 2/3
  26. 5/12
  27. 2/5
  28. 10/11
  29. 5/6
  30. 6
  31. 10/11
  32. 33
  33. 5/7
  34. 3/4
  35. 3/4
  36. 1/3
  37. 7/6
  38. 15/14
  39. 1/3
  40. 8/11

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