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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 618 · 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 12? (a) 7 (b) 6 (c) 12 (d) 5
  2. 2.What is 3/8 of 56? (a) 35 (b) 28 (c) 21 (d) 7
  3. 3.3/4 + 6/9 = ? (a) 13/9 (b) 9/13 (c) 17/12 (d) 25/18
  4. 4.1/3 + 5/7 = ? (a) 23/21 (b) 22/21 (c) 1 (d) 3/5
  5. 5.What is 1/9 of 36? (a) 32 (b) 5 (c) 8 (d) 4
  6. 6.1/7 + 1/7 = ? (a) 1/7 (b) 3/7 (c) 4/7 (d) 2/7
  7. 7.Which fraction is greater: 6/7 or 7/10? (a) 7/10 (b) 6/7 (c) They are equal
  8. 8.What is 1/3 of 33? (a) 22 (b) 12 (c) 11 (d) 10
  9. 9.Which fraction is greater: 10/11 or 3/4? (a) 3/4 (b) 10/11 (c) They are equal
  10. 10.Which fraction is greater: 6/7 or 1/4? (a) 1/4 (b) They are equal (c) 6/7
  11. 11.What is 3/5 of 15? (a) 9 (b) 6 (c) 12 (d) 3
  12. 12.Which fraction is greater: 3/4 or 1/3? (a) 3/4 (b) They are equal (c) 1/3
  13. 13.Which fraction is greater: 1/7 or 1/12? (a) They are equal (b) 1/12 (c) 1/7
  14. 14.Which fraction is greater: 3/5 or 1/8? (a) They are equal (b) 1/8 (c) 3/5
  15. 15.4/9 + 1/9 = ? (a) 4/9 (b) 5/9 (c) 2/3 (d) 5/18
  16. 16.Which fraction is greater: 1/6 or 1/12? (a) They are equal (b) 1/12 (c) 1/6
  17. 17.1/3 + 8/9 = ? (a) 4/3 (b) 3/4 (c) 11/9 (d) 10/9
  18. 18.Which fraction is greater: 3/4 or 2/11? (a) 2/11 (b) They are equal (c) 3/4
  19. 19.1/2 + 2/3 = ? (a) 7/6 (b) 3/5 (c) 4/3 (d) 1
  20. 20.7/8 + 1/3 = ? (a) 5/4 (b) 29/24 (c) 7/6 (d) 8/11
  21. 21.1/2 + 6/8 = ? (a) 9/8 (b) 11/8 (c) 5/4 (d) 7/10
  22. 22.What is 2/7 of 21? (a) 6 (b) 3 (c) 9 (d) 15
  23. 23.2/3 + 3/5 = ? (a) 5/8 (b) 19/15 (c) 6/5 (d) 4/3
  24. 24.What is 1/3 of 36? (a) 13 (b) 24 (c) 11 (d) 12
  25. 25.3/4 + 4/9 = ? (a) 7/13 (b) 43/36 (c) 11/9 (d) 7/6
  26. 26.Which fraction is greater: 1/11 or 5/9? (a) 5/9 (b) 1/11 (c) They are equal
  27. 27.1/4 + 1/9 = ? (a) 1/3 (b) 7/18 (c) 13/36 (d) 2/13
  28. 28.Which fraction is greater: 7/8 or 5/7? (a) They are equal (b) 7/8 (c) 5/7
  29. 29.Which fraction is greater: 2/9 or 5/7? (a) 2/9 (b) They are equal (c) 5/7
  30. 30.What is 3/4 of 48? (a) 37 (b) 48 (c) 12 (d) 36
  31. 31.Which fraction is greater: 2/3 or 2/9? (a) 2/9 (b) They are equal (c) 2/3
  32. 32.Which fraction is greater: 9/11 or 1/4? (a) They are equal (b) 1/4 (c) 9/11
  33. 33.What is 4/7 of 35? (a) 15 (b) 5 (c) 20 (d) 25
  34. 34.What is 3/7 of 21? (a) 3 (b) 9 (c) 10 (d) 12
  35. 35.Which fraction is greater: 7/8 or 2/3? (a) 2/3 (b) 7/8 (c) They are equal
  36. 36.Which fraction is greater: 3/4 or 5/6? (a) 3/4 (b) 5/6 (c) They are equal
  37. 37.1/2 + 1/2 = ? (a) 1/2 (b) 3/2 (c) 1 (d) 2
  38. 38.What is 1/4 of 40? (a) 20 (b) 11 (c) 10 (d) 30
  39. 39.What is 1/2 of 20? (a) 10 (b) 11 (c) 9 (d) 20
  40. 40.What is 1/5 of 35? (a) 8 (b) 7 (c) 14 (d) 28

Answer key

  1. 6
  2. 21
  3. 17/12
  4. 22/21
  5. 4
  6. 2/7
  7. 6/7
  8. 11
  9. 10/11
  10. 6/7
  11. 9
  12. 3/4
  13. 1/7
  14. 3/5
  15. 5/9
  16. 1/6
  17. 11/9
  18. 3/4
  19. 7/6
  20. 29/24
  21. 5/4
  22. 6
  23. 19/15
  24. 12
  25. 43/36
  26. 5/9
  27. 13/36
  28. 7/8
  29. 5/7
  30. 36
  31. 2/3
  32. 9/11
  33. 20
  34. 9
  35. 7/8
  36. 5/6
  37. 1
  38. 10
  39. 10
  40. 7

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