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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 338 · 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 2/3 of 36? (a) 25 (b) 24 (c) 36 (d) 12
  2. 2.Which fraction is greater: 1/3 or 5/6? (a) They are equal (b) 1/3 (c) 5/6
  3. 3.What is 1/2 of 10? (a) 10 (b) 4 (c) 6 (d) 5
  4. 4.Which fraction is greater: 2/3 or 3/4? (a) They are equal (b) 2/3 (c) 3/4
  5. 5.1/2 + 3/4 = ? (a) 2/3 (b) 3/2 (c) 1 (d) 5/4
  6. 6.1/2 + 1/3 = ? (a) 2/5 (b) 5/6 (c) 1 (d) 2/3
  7. 7.What is 5/6 of 66? (a) 66 (b) 56 (c) 55 (d) 11
  8. 8.What is 1/9 of 90? (a) 80 (b) 10 (c) 11 (d) 20
  9. 9.3/4 + 3/4 = ? (a) 3/2 (b) 5/4 (c) 3/4 (d) 7/4
  10. 10.Which fraction is greater: 4/5 or 7/11? (a) 4/5 (b) 7/11 (c) They are equal
  11. 11.Which fraction is greater: 3/5 or 1/4? (a) They are equal (b) 1/4 (c) 3/5
  12. 12.What is 1/7 of 49? (a) 42 (b) 8 (c) 14 (d) 7
  13. 13.What is 2/7 of 42? (a) 30 (b) 12 (c) 18 (d) 6
  14. 14.Which fraction is greater: 7/9 or 1/10? (a) 1/10 (b) 7/9 (c) They are equal
  15. 15.What is 2/5 of 50? (a) 21 (b) 20 (c) 10 (d) 30
  16. 16.8/9 + 1/4 = ? (a) 41/36 (b) 9/13 (c) 7/6 (d) 10/9
  17. 17.Which fraction is greater: 6/7 or 5/6? (a) 5/6 (b) They are equal (c) 6/7
  18. 18.Which fraction is greater: 1/9 or 1/3? (a) They are equal (b) 1/9 (c) 1/3
  19. 19.What is 1/2 of 14? (a) 6 (b) 7 (c) 14 (d) 8
  20. 20.Which fraction is greater: 1/3 or 9/10? (a) They are equal (b) 1/3 (c) 9/10
  21. 21.Which fraction is greater: 4/5 or 1/3? (a) 1/3 (b) 4/5 (c) They are equal
  22. 22.1/3 + 2/4 = ? (a) 3/7 (b) 5/6 (c) 11/12 (d) 3/4
  23. 23.Which fraction is greater: 1/8 or 3/4? (a) They are equal (b) 3/4 (c) 1/8
  24. 24.2/3 + 1/3 = ? (a) 4/3 (b) 2/3 (c) 1 (d) 1/2
  25. 25.What is 1/7 of 56? (a) 8 (b) 16 (c) 48 (d) 9
  26. 26.4/5 + 1/3 = ? (a) 5/8 (b) 6/5 (c) 17/15 (d) 16/15
  27. 27.1/3 + 8/9 = ? (a) 10/9 (b) 11/9 (c) 4/3 (d) 3/4
  28. 28.Which fraction is greater: 3/4 or 5/8? (a) 3/4 (b) 5/8 (c) They are equal
  29. 29.2/6 + 2/3 = ? (a) 5/6 (b) 1 (c) 7/6 (d) 4/9
  30. 30.Which fraction is greater: 5/8 or 3/4? (a) 3/4 (b) They are equal (c) 5/8
  31. 31.Which fraction is greater: 2/3 or 2/5? (a) 2/5 (b) They are equal (c) 2/3
  32. 32.What is 1/5 of 20? (a) 5 (b) 16 (c) 8 (d) 4
  33. 33.What is 1/5 of 15? (a) 3 (b) 6 (c) 4 (d) 12
  34. 34.Which fraction is greater: 1/3 or 1/6? (a) They are equal (b) 1/3 (c) 1/6
  35. 35.2/4 + 8/9 = ? (a) 49/36 (b) 10/13 (c) 17/12 (d) 25/18
  36. 36.Which fraction is greater: 2/9 or 5/7? (a) They are equal (b) 2/9 (c) 5/7
  37. 37.3/8 + 1/2 = ? (a) 7/8 (b) 3/4 (c) 2/5 (d) 1
  38. 38.What is 6/7 of 21? (a) 19 (b) 21 (c) 18 (d) 3
  39. 39.What is 3/7 of 35? (a) 16 (b) 20 (c) 15 (d) 5
  40. 40.Which fraction is greater: 2/9 or 4/11? (a) They are equal (b) 4/11 (c) 2/9

Answer key

  1. 24
  2. 5/6
  3. 5
  4. 3/4
  5. 5/4
  6. 5/6
  7. 55
  8. 10
  9. 3/2
  10. 4/5
  11. 3/5
  12. 7
  13. 12
  14. 7/9
  15. 20
  16. 41/36
  17. 6/7
  18. 1/3
  19. 7
  20. 9/10
  21. 4/5
  22. 5/6
  23. 3/4
  24. 1
  25. 8
  26. 17/15
  27. 11/9
  28. 3/4
  29. 1
  30. 3/4
  31. 2/3
  32. 4
  33. 3
  34. 1/3
  35. 25/18
  36. 5/7
  37. 7/8
  38. 18
  39. 15
  40. 4/11

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