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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 990 · 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: 1/10 or 7/12? (a) 1/10 (b) 7/12 (c) They are equal
  2. 2.What is 2/5 of 15? (a) 6 (b) 9 (c) 7 (d) 3
  3. 3.Which fraction is greater: 7/12 or 3/10? (a) 7/12 (b) 3/10 (c) They are equal
  4. 4.2/3 + 2/5 = ? (a) 1 (b) 1/2 (c) 16/15 (d) 17/15
  5. 5.1/7 + 1/3 = ? (a) 11/21 (b) 1/5 (c) 3/7 (d) 10/21
  6. 6.1/4 + 1/2 = ? (a) 1/3 (b) 1 (c) 1/2 (d) 3/4
  7. 7.Which fraction is greater: 5/7 or 1/3? (a) 5/7 (b) 1/3 (c) They are equal
  8. 8.1/2 + 1/3 = ? (a) 2/3 (b) 5/6 (c) 1 (d) 2/5
  9. 9.What is 5/9 of 81? (a) 45 (b) 36 (c) 54 (d) 9
  10. 10.1/5 + 1/3 = ? (a) 7/15 (b) 8/15 (c) 1/4 (d) 3/5
  11. 11.Which fraction is greater: 1/4 or 3/11? (a) 1/4 (b) 3/11 (c) They are equal
  12. 12.Which fraction is greater: 1/10 or 2/7? (a) They are equal (b) 1/10 (c) 2/7
  13. 13.What is 1/3 of 9? (a) 6 (b) 2 (c) 3 (d) 4
  14. 14.What is 2/3 of 21? (a) 15 (b) 7 (c) 14 (d) 21
  15. 15.Which fraction is greater: 1/6 or 1/3? (a) 1/3 (b) They are equal (c) 1/6
  16. 16.1/3 + 1/2 = ? (a) 2/5 (b) 5/6 (c) 2/3 (d) 1
  17. 17.Which fraction is greater: 1/5 or 1/6? (a) 1/6 (b) 1/5 (c) They are equal
  18. 18.What is 1/8 of 88? (a) 77 (b) 22 (c) 11 (d) 12
  19. 19.What is 4/5 of 25? (a) 20 (b) 21 (c) 25 (d) 5
  20. 20.Which fraction is greater: 3/4 or 7/10? (a) They are equal (b) 3/4 (c) 7/10
  21. 21.2/3 + 2/3 = ? (a) 1 (b) 2/3 (c) 5/3 (d) 4/3
  22. 22.What is 1/7 of 56? (a) 9 (b) 48 (c) 8 (d) 16
  23. 23.What is 3/4 of 32? (a) 24 (b) 8 (c) 32 (d) 25
  24. 24.Which fraction is greater: 1/3 or 7/8? (a) 1/3 (b) 7/8 (c) They are equal
  25. 25.Which fraction is greater: 3/5 or 2/7? (a) They are equal (b) 2/7 (c) 3/5
  26. 26.What is 2/7 of 14? (a) 10 (b) 4 (c) 2 (d) 6
  27. 27.Which fraction is greater: 5/7 or 3/5? (a) 3/5 (b) They are equal (c) 5/7
  28. 28.1/4 + 1/5 = ? (a) 2/5 (b) 1/2 (c) 9/20 (d) 2/9
  29. 29.Which fraction is greater: 5/8 or 1/5? (a) They are equal (b) 1/5 (c) 5/8
  30. 30.Which fraction is greater: 3/11 or 1/9? (a) 3/11 (b) 1/9 (c) They are equal
  31. 31.7/9 + 1/2 = ? (a) 8/11 (b) 23/18 (c) 11/9 (d) 4/3
  32. 32.What is 3/8 of 48? (a) 6 (b) 30 (c) 18 (d) 24
  33. 33.5/8 + 1/3 = ? (a) 6/11 (b) 11/12 (c) 1 (d) 23/24
  34. 34.What is 4/5 of 35? (a) 28 (b) 35 (c) 7 (d) 29
  35. 35.Which fraction is greater: 3/7 or 1/9? (a) 3/7 (b) They are equal (c) 1/9
  36. 36.What is 1/7 of 84? (a) 12 (b) 24 (c) 13 (d) 72
  37. 37.What is 4/7 of 14? (a) 2 (b) 8 (c) 6 (d) 10
  38. 38.Which fraction is greater: 2/9 or 1/6? (a) They are equal (b) 1/6 (c) 2/9
  39. 39.Which fraction is greater: 1/3 or 3/7? (a) 3/7 (b) They are equal (c) 1/3
  40. 40.What is 1/2 of 10? (a) 6 (b) 5 (c) 10 (d) 4

Answer key

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

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