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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 169 · 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) 11 (b) 10 (c) 12 (d) 22
  2. 2.2/4 + 3/9 = ? (a) 5/13 (b) 5/6 (c) 31/36 (d) 29/36
  3. 3.Which fraction is greater: 3/5 or 2/3? (a) 3/5 (b) They are equal (c) 2/3
  4. 4.Which fraction is greater: 5/9 or 1/3? (a) They are equal (b) 5/9 (c) 1/3
  5. 5.What is 7/8 of 88? (a) 77 (b) 78 (c) 11 (d) 88
  6. 6.2/8 + 2/4 = ? (a) 3/4 (b) 1/3 (c) 7/8 (d) 5/8
  7. 7.What is 3/7 of 21? (a) 3 (b) 12 (c) 9 (d) 10
  8. 8.What is 1/7 of 14? (a) 3 (b) 12 (c) 4 (d) 2
  9. 9.2/6 + 1/2 = ? (a) 3/8 (b) 2/3 (c) 5/6 (d) 1
  10. 10.What is 1/2 of 16? (a) 7 (b) 8 (c) 16 (d) 9
  11. 11.Which fraction is greater: 1/3 or 1/8? (a) They are equal (b) 1/8 (c) 1/3
  12. 12.What is 1/6 of 30? (a) 5 (b) 25 (c) 6 (d) 10
  13. 13.2/3 + 3/4 = ? (a) 4/3 (b) 5/7 (c) 17/12 (d) 3/2
  14. 14.Which fraction is greater: 1/5 or 5/7? (a) 5/7 (b) 1/5 (c) They are equal
  15. 15.1/2 + 6/8 = ? (a) 5/4 (b) 11/8 (c) 7/10 (d) 9/8
  16. 16.What is 2/3 of 30? (a) 10 (b) 30 (c) 21 (d) 20
  17. 17.1/3 + 4/7 = ? (a) 19/21 (b) 20/21 (c) 1/2 (d) 6/7
  18. 18.What is 1/5 of 15? (a) 4 (b) 3 (c) 12 (d) 6
  19. 19.What is 1/2 of 20? (a) 20 (b) 10 (c) 11 (d) 9
  20. 20.What is 4/7 of 14? (a) 10 (b) 6 (c) 8 (d) 2
  21. 21.Which fraction is greater: 4/9 or 6/11? (a) 6/11 (b) 4/9 (c) They are equal
  22. 22.8/9 + 3/6 = ? (a) 4/3 (b) 13/9 (c) 11/15 (d) 25/18
  23. 23.Which fraction is greater: 7/8 or 1/3? (a) They are equal (b) 7/8 (c) 1/3
  24. 24.5/6 + 5/9 = ? (a) 2/3 (b) 4/3 (c) 25/18 (d) 13/9
  25. 25.8/9 + 2/3 = ? (a) 5/6 (b) 14/9 (c) 13/9 (d) 5/3
  26. 26.1/3 + 3/4 = ? (a) 4/7 (b) 13/12 (c) 7/6 (d) 1
  27. 27.6/9 + 3/6 = ? (a) 3/5 (b) 10/9 (c) 11/9 (d) 7/6
  28. 28.What is 1/7 of 56? (a) 8 (b) 16 (c) 9 (d) 48
  29. 29.What is 2/7 of 49? (a) 14 (b) 21 (c) 35 (d) 7
  30. 30.2/3 + 2/3 = ? (a) 5/3 (b) 4/3 (c) 2/3 (d) 1
  31. 31.What is 1/2 of 18? (a) 18 (b) 9 (c) 10 (d) 8
  32. 32.Which fraction is greater: 1/5 or 1/4? (a) They are equal (b) 1/4 (c) 1/5
  33. 33.1/9 + 1/3 = ? (a) 1/3 (b) 4/9 (c) 5/9 (d) 1/6
  34. 34.Which fraction is greater: 1/8 or 7/12? (a) They are equal (b) 7/12 (c) 1/8
  35. 35.6/7 + 1/2 = ? (a) 9/7 (b) 7/9 (c) 10/7 (d) 19/14
  36. 36.5/6 + 5/6 = ? (a) 3/2 (b) 11/6 (c) 5/3 (d) 5/6
  37. 37.Which fraction is greater: 2/3 or 5/9? (a) 5/9 (b) They are equal (c) 2/3
  38. 38.5/7 + 2/5 = ? (a) 38/35 (b) 39/35 (c) 7/12 (d) 8/7
  39. 39.What is 1/2 of 6? (a) 6 (b) 4 (c) 2 (d) 3
  40. 40.Which fraction is greater: 3/8 or 7/9? (a) 3/8 (b) 7/9 (c) They are equal

Answer key

  1. 11
  2. 5/6
  3. 2/3
  4. 5/9
  5. 77
  6. 3/4
  7. 9
  8. 2
  9. 5/6
  10. 8
  11. 1/3
  12. 5
  13. 17/12
  14. 5/7
  15. 5/4
  16. 20
  17. 19/21
  18. 3
  19. 10
  20. 8
  21. 6/11
  22. 25/18
  23. 7/8
  24. 25/18
  25. 14/9
  26. 13/12
  27. 7/6
  28. 8
  29. 14
  30. 4/3
  31. 9
  32. 1/4
  33. 4/9
  34. 7/12
  35. 19/14
  36. 5/3
  37. 2/3
  38. 39/35
  39. 3
  40. 7/9

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