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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 322 · 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 22? (a) 22 (b) 12 (c) 10 (d) 11
  2. 2.What is 1/3 of 30? (a) 20 (b) 10 (c) 9 (d) 11
  3. 3.5/7 + 1/4 = ? (a) 13/14 (b) 27/28 (c) 1 (d) 6/11
  4. 4.1/3 + 6/7 = ? (a) 25/21 (b) 26/21 (c) 8/7 (d) 7/10
  5. 5.Which fraction is greater: 2/3 or 3/5? (a) They are equal (b) 3/5 (c) 2/3
  6. 6.3/8 + 1/2 = ? (a) 3/4 (b) 1 (c) 7/8 (d) 2/5
  7. 7.2/3 + 1/3 = ? (a) 4/3 (b) 2/3 (c) 1/2 (d) 1
  8. 8.1/2 + 8/9 = ? (a) 4/3 (b) 13/9 (c) 25/18 (d) 9/11
  9. 9.Which fraction is greater: 1/4 or 1/3? (a) 1/4 (b) 1/3 (c) They are equal
  10. 10.What is 5/8 of 16? (a) 12 (b) 6 (c) 2 (d) 10
  11. 11.Which fraction is greater: 4/11 or 6/7? (a) They are equal (b) 4/11 (c) 6/7
  12. 12.What is 1/7 of 84? (a) 13 (b) 72 (c) 24 (d) 12
  13. 13.Which fraction is greater: 2/11 or 3/4? (a) 2/11 (b) They are equal (c) 3/4
  14. 14.5/6 + 2/4 = ? (a) 5/4 (b) 4/3 (c) 17/12 (d) 7/10
  15. 15.Which fraction is greater: 4/5 or 2/3? (a) They are equal (b) 2/3 (c) 4/5
  16. 16.What is 1/5 of 45? (a) 36 (b) 9 (c) 18 (d) 10
  17. 17.Which fraction is greater: 1/5 or 1/7? (a) 1/7 (b) They are equal (c) 1/5
  18. 18.What is 6/7 of 14? (a) 2 (b) 13 (c) 14 (d) 12
  19. 19.Which fraction is greater: 6/7 or 8/9? (a) They are equal (b) 8/9 (c) 6/7
  20. 20.What is 4/5 of 15? (a) 15 (b) 12 (c) 13 (d) 3
  21. 21.1/2 + 2/7 = ? (a) 1/3 (b) 5/7 (c) 6/7 (d) 11/14
  22. 22.What is 5/6 of 36? (a) 36 (b) 31 (c) 6 (d) 30
  23. 23.What is 2/3 of 24? (a) 24 (b) 8 (c) 17 (d) 16
  24. 24.What is 1/4 of 20? (a) 5 (b) 15 (c) 10 (d) 6
  25. 25.What is 1/2 of 16? (a) 7 (b) 8 (c) 16 (d) 9
  26. 26.2/3 + 6/8 = ? (a) 17/12 (b) 8/11 (c) 35/24 (d) 11/8
  27. 27.Which fraction is greater: 1/4 or 8/9? (a) They are equal (b) 1/4 (c) 8/9
  28. 28.Which fraction is greater: 2/5 or 4/9? (a) 2/5 (b) 4/9 (c) They are equal
  29. 29.Which fraction is greater: 4/7 or 7/10? (a) 7/10 (b) 4/7 (c) They are equal
  30. 30.What is 3/5 of 25? (a) 15 (b) 5 (c) 10 (d) 20
  31. 31.Which fraction is greater: 1/3 or 3/7? (a) 1/3 (b) They are equal (c) 3/7
  32. 32.Which fraction is greater: 1/3 or 5/7? (a) 1/3 (b) They are equal (c) 5/7
  33. 33.6/8 + 3/4 = ? (a) 3/4 (b) 3/2 (c) 11/8 (d) 13/8
  34. 34.Which fraction is greater: 1/11 or 1/5? (a) 1/11 (b) 1/5 (c) They are equal
  35. 35.What is 1/2 of 12? (a) 6 (b) 7 (c) 5 (d) 12
  36. 36.What is 7/8 of 32? (a) 28 (b) 4 (c) 32 (d) 29
  37. 37.Which fraction is greater: 8/9 or 1/5? (a) They are equal (b) 1/5 (c) 8/9
  38. 38.What is 3/4 of 12? (a) 9 (b) 10 (c) 3 (d) 12
  39. 39.Which fraction is greater: 1/4 or 2/3? (a) 2/3 (b) They are equal (c) 1/4
  40. 40.2/3 + 1/8 = ? (a) 3/4 (b) 19/24 (c) 5/6 (d) 3/11

Answer key

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

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