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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 166 · 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 2/9 of 63? (a) 14 (b) 7 (c) 49 (d) 21
  2. 2.Which fraction is greater: 6/11 or 8/9? (a) 6/11 (b) They are equal (c) 8/9
  3. 3.8/9 + 1/2 = ? (a) 25/18 (b) 4/3 (c) 9/11 (d) 13/9
  4. 4.Which fraction is greater: 3/11 or 9/10? (a) They are equal (b) 9/10 (c) 3/11
  5. 5.What is 1/2 of 4? (a) 3 (b) 1 (c) 2 (d) 4
  6. 6.6/9 + 3/9 = ? (a) 10/9 (b) 1/2 (c) 8/9 (d) 1
  7. 7.2/3 + 1/8 = ? (a) 3/4 (b) 3/11 (c) 5/6 (d) 19/24
  8. 8.2/3 + 2/3 = ? (a) 2/3 (b) 5/3 (c) 1 (d) 4/3
  9. 9.What is 2/9 of 27? (a) 3 (b) 9 (c) 21 (d) 6
  10. 10.1/5 + 4/5 = ? (a) 4/5 (b) 1 (c) 6/5 (d) 1/2
  11. 11.Which fraction is greater: 5/7 or 1/4? (a) 1/4 (b) 5/7 (c) They are equal
  12. 12.4/7 + 1/2 = ? (a) 1 (b) 5/9 (c) 15/14 (d) 8/7
  13. 13.1/2 + 1/2 = ? (a) 3/2 (b) 1 (c) 2 (d) 1/2
  14. 14.7/8 + 5/6 = ? (a) 5/3 (b) 6/7 (c) 7/4 (d) 41/24
  15. 15.1/2 + 1/6 = ? (a) 5/6 (b) 1/2 (c) 1/4 (d) 2/3
  16. 16.What is 1/2 of 6? (a) 6 (b) 2 (c) 3 (d) 4
  17. 17.Which fraction is greater: 1/10 or 5/7? (a) They are equal (b) 1/10 (c) 5/7
  18. 18.Which fraction is greater: 4/7 or 1/3? (a) 4/7 (b) They are equal (c) 1/3
  19. 19.What is 3/4 of 20? (a) 16 (b) 15 (c) 20 (d) 5
  20. 20.Which fraction is greater: 2/5 or 3/8? (a) They are equal (b) 3/8 (c) 2/5
  21. 21.4/5 + 2/3 = ? (a) 23/15 (b) 22/15 (c) 3/4 (d) 7/5
  22. 22.What is 3/4 of 24? (a) 18 (b) 19 (c) 24 (d) 6
  23. 23.1/2 + 2/3 = ? (a) 1 (b) 7/6 (c) 3/5 (d) 4/3
  24. 24.4/8 + 1/4 = ? (a) 3/4 (b) 5/12 (c) 5/8 (d) 7/8
  25. 25.3/4 + 1/3 = ? (a) 13/12 (b) 1 (c) 4/7 (d) 7/6
  26. 26.What is 1/3 of 21? (a) 6 (b) 8 (c) 7 (d) 14
  27. 27.6/7 + 1/2 = ? (a) 9/7 (b) 10/7 (c) 7/9 (d) 19/14
  28. 28.Which fraction is greater: 4/5 or 3/4? (a) 3/4 (b) They are equal (c) 4/5
  29. 29.What is 2/7 of 35? (a) 25 (b) 15 (c) 10 (d) 5
  30. 30.Which fraction is greater: 1/3 or 1/6? (a) 1/3 (b) They are equal (c) 1/6
  31. 31.Which fraction is greater: 8/9 or 5/11? (a) They are equal (b) 5/11 (c) 8/9
  32. 32.Which fraction is greater: 1/6 or 1/5? (a) They are equal (b) 1/6 (c) 1/5
  33. 33.Which fraction is greater: 3/5 or 1/3? (a) 1/3 (b) They are equal (c) 3/5
  34. 34.Which fraction is greater: 1/10 or 7/8? (a) They are equal (b) 1/10 (c) 7/8
  35. 35.What is 1/4 of 20? (a) 15 (b) 5 (c) 6 (d) 10
  36. 36.1/3 + 1/7 = ? (a) 11/21 (b) 1/5 (c) 3/7 (d) 10/21
  37. 37.2/3 + 1/3 = ? (a) 2/3 (b) 1 (c) 1/2 (d) 4/3
  38. 38.Which fraction is greater: 1/5 or 1/3? (a) 1/3 (b) They are equal (c) 1/5
  39. 39.Which fraction is greater: 2/3 or 11/12? (a) 11/12 (b) 2/3 (c) They are equal
  40. 40.4/8 + 1/3 = ? (a) 19/24 (b) 5/11 (c) 7/8 (d) 5/6

Answer key

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

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