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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 353 · 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: 4/5 or 3/4? (a) 3/4 (b) 4/5 (c) They are equal
  2. 2.Which fraction is greater: 7/9 or 1/4? (a) 1/4 (b) They are equal (c) 7/9
  3. 3.Which fraction is greater: 5/12 or 5/11? (a) They are equal (b) 5/11 (c) 5/12
  4. 4.5/6 + 8/9 = ? (a) 16/9 (b) 31/18 (c) 5/3 (d) 13/15
  5. 5.1/4 + 3/7 = ? (a) 5/7 (b) 4/11 (c) 19/28 (d) 9/14
  6. 6.What is 1/4 of 36? (a) 10 (b) 9 (c) 18 (d) 27
  7. 7.Which fraction is greater: 1/5 or 1/4? (a) They are equal (b) 1/4 (c) 1/5
  8. 8.Which fraction is greater: 3/4 or 5/7? (a) 5/7 (b) They are equal (c) 3/4
  9. 9.Which fraction is greater: 2/5 or 11/12? (a) 2/5 (b) They are equal (c) 11/12
  10. 10.Which fraction is greater: 1/3 or 5/6? (a) 1/3 (b) They are equal (c) 5/6
  11. 11.Which fraction is greater: 2/7 or 2/3? (a) 2/7 (b) They are equal (c) 2/3
  12. 12.Which fraction is greater: 3/4 or 1/3? (a) 1/3 (b) They are equal (c) 3/4
  13. 13.What is 1/3 of 30? (a) 9 (b) 11 (c) 20 (d) 10
  14. 14.Which fraction is greater: 1/12 or 2/3? (a) 2/3 (b) They are equal (c) 1/12
  15. 15.What is 3/4 of 16? (a) 12 (b) 13 (c) 4 (d) 16
  16. 16.3/8 + 1/3 = ? (a) 3/4 (b) 2/3 (c) 17/24 (d) 4/11
  17. 17.5/6 + 1/3 = ? (a) 4/3 (b) 2/3 (c) 1 (d) 7/6
  18. 18.What is 1/2 of 20? (a) 10 (b) 20 (c) 11 (d) 9
  19. 19.1/2 + 1/3 = ? (a) 1 (b) 2/5 (c) 2/3 (d) 5/6
  20. 20.6/7 + 1/2 = ? (a) 9/7 (b) 7/9 (c) 10/7 (d) 19/14
  21. 21.1/6 + 1/2 = ? (a) 1/4 (b) 5/6 (c) 2/3 (d) 1/2
  22. 22.1/5 + 2/7 = ? (a) 16/35 (b) 18/35 (c) 17/35 (d) 1/4
  23. 23.1/2 + 6/8 = ? (a) 5/4 (b) 11/8 (c) 7/10 (d) 9/8
  24. 24.3/4 + 1/2 = ? (a) 1 (b) 3/2 (c) 5/4 (d) 2/3
  25. 25.2/8 + 2/8 = ? (a) 1/4 (b) 3/8 (c) 1/2 (d) 5/8
  26. 26.Which fraction is greater: 9/10 or 9/11? (a) They are equal (b) 9/11 (c) 9/10
  27. 27.What is 3/5 of 45? (a) 18 (b) 36 (c) 9 (d) 27
  28. 28.Which fraction is greater: 7/9 or 3/5? (a) 7/9 (b) They are equal (c) 3/5
  29. 29.What is 1/4 of 32? (a) 24 (b) 8 (c) 16 (d) 9
  30. 30.4/8 + 2/3 = ? (a) 6/11 (b) 7/6 (c) 9/8 (d) 29/24
  31. 31.1/3 + 2/4 = ? (a) 3/4 (b) 3/7 (c) 11/12 (d) 5/6
  32. 32.Which fraction is greater: 1/4 or 11/12? (a) They are equal (b) 11/12 (c) 1/4
  33. 33.Which fraction is greater: 1/11 or 3/5? (a) 3/5 (b) They are equal (c) 1/11
  34. 34.What is 6/7 of 28? (a) 4 (b) 24 (c) 28 (d) 25
  35. 35.2/3 + 5/7 = ? (a) 29/21 (b) 10/7 (c) 4/3 (d) 7/10
  36. 36.Which fraction is greater: 1/6 or 2/3? (a) 1/6 (b) They are equal (c) 2/3
  37. 37.Which fraction is greater: 1/7 or 3/4? (a) They are equal (b) 1/7 (c) 3/4
  38. 38.Which fraction is greater: 1/5 or 8/11? (a) 1/5 (b) 8/11 (c) They are equal
  39. 39.What is 6/7 of 56? (a) 8 (b) 48 (c) 56 (d) 49
  40. 40.1/2 + 1/2 = ? (a) 3/2 (b) 2 (c) 1/2 (d) 1

Answer key

  1. 4/5
  2. 7/9
  3. 5/11
  4. 31/18
  5. 19/28
  6. 9
  7. 1/4
  8. 3/4
  9. 11/12
  10. 5/6
  11. 2/3
  12. 3/4
  13. 10
  14. 2/3
  15. 12
  16. 17/24
  17. 7/6
  18. 10
  19. 5/6
  20. 19/14
  21. 2/3
  22. 17/35
  23. 5/4
  24. 5/4
  25. 1/2
  26. 9/10
  27. 27
  28. 7/9
  29. 8
  30. 7/6
  31. 5/6
  32. 11/12
  33. 3/5
  34. 24
  35. 29/21
  36. 2/3
  37. 3/4
  38. 8/11
  39. 48
  40. 1

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