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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 936 · 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 1/7 of 63? (a) 54 (b) 18 (c) 9 (d) 10
  2. 2.Which fraction is greater: 1/8 or 1/11? (a) They are equal (b) 1/8 (c) 1/11
  3. 3.Which fraction is greater: 3/7 or 1/5? (a) 3/7 (b) 1/5 (c) They are equal
  4. 4.Which fraction is greater: 2/5 or 4/9? (a) They are equal (b) 4/9 (c) 2/5
  5. 5.Which fraction is greater: 1/3 or 7/9? (a) They are equal (b) 7/9 (c) 1/3
  6. 6.Which fraction is greater: 2/3 or 9/11? (a) 2/3 (b) They are equal (c) 9/11
  7. 7.Which fraction is greater: 4/5 or 3/4? (a) They are equal (b) 4/5 (c) 3/4
  8. 8.What is 1/2 of 12? (a) 6 (b) 12 (c) 7 (d) 5
  9. 9.What is 3/4 of 12? (a) 12 (b) 9 (c) 10 (d) 3
  10. 10.Which fraction is greater: 1/3 or 2/7? (a) 2/7 (b) They are equal (c) 1/3
  11. 11.5/8 + 3/4 = ? (a) 3/2 (b) 2/3 (c) 5/4 (d) 11/8
  12. 12.Which fraction is greater: 1/9 or 2/3? (a) 1/9 (b) 2/3 (c) They are equal
  13. 13.2/3 + 2/6 = ? (a) 1 (b) 4/9 (c) 7/6 (d) 5/6
  14. 14.2/6 + 2/6 = ? (a) 1/3 (b) 2/3 (c) 5/6 (d) 1/2
  15. 15.1/5 + 1/5 = ? (a) 1/5 (b) 3/5 (c) 4/5 (d) 2/5
  16. 16.What is 6/7 of 84? (a) 84 (b) 72 (c) 12 (d) 73
  17. 17.Which fraction is greater: 3/5 or 1/7? (a) They are equal (b) 1/7 (c) 3/5
  18. 18.What is 1/2 of 14? (a) 6 (b) 8 (c) 7 (d) 14
  19. 19.What is 1/5 of 15? (a) 3 (b) 4 (c) 6 (d) 12
  20. 20.1/2 + 8/9 = ? (a) 4/3 (b) 9/11 (c) 13/9 (d) 25/18
  21. 21.Which fraction is greater: 7/10 or 1/7? (a) 1/7 (b) 7/10 (c) They are equal
  22. 22.Which fraction is greater: 1/4 or 1/3? (a) 1/3 (b) 1/4 (c) They are equal
  23. 23.What is 5/7 of 14? (a) 4 (b) 2 (c) 12 (d) 10
  24. 24.4/9 + 1/4 = ? (a) 5/13 (b) 2/3 (c) 13/18 (d) 25/36
  25. 25.What is 1/3 of 21? (a) 6 (b) 7 (c) 8 (d) 14
  26. 26.Which fraction is greater: 3/11 or 1/3? (a) They are equal (b) 1/3 (c) 3/11
  27. 27.Which fraction is greater: 1/4 or 5/12? (a) They are equal (b) 1/4 (c) 5/12
  28. 28.What is 5/7 of 49? (a) 35 (b) 42 (c) 14 (d) 7
  29. 29.Which fraction is greater: 3/5 or 1/8? (a) 3/5 (b) They are equal (c) 1/8
  30. 30.Which fraction is greater: 2/7 or 1/4? (a) 1/4 (b) They are equal (c) 2/7
  31. 31.What is 1/3 of 33? (a) 22 (b) 10 (c) 12 (d) 11
  32. 32.Which fraction is greater: 5/6 or 2/7? (a) 5/6 (b) 2/7 (c) They are equal
  33. 33.What is 1/3 of 30? (a) 9 (b) 10 (c) 11 (d) 20
  34. 34.Which fraction is greater: 6/7 or 3/4? (a) 6/7 (b) They are equal (c) 3/4
  35. 35.2/3 + 1/3 = ? (a) 2/3 (b) 1/2 (c) 4/3 (d) 1
  36. 36.Which fraction is greater: 1/3 or 1/4? (a) They are equal (b) 1/4 (c) 1/3
  37. 37.1/6 + 1/2 = ? (a) 1/2 (b) 1/4 (c) 5/6 (d) 2/3
  38. 38.1/2 + 2/4 = ? (a) 1 (b) 3/4 (c) 1/2 (d) 5/4
  39. 39.6/9 + 2/3 = ? (a) 13/9 (b) 4/3 (c) 2/3 (d) 11/9
  40. 40.1/3 + 3/7 = ? (a) 16/21 (b) 17/21 (c) 5/7 (d) 2/5

Answer key

  1. 9
  2. 1/8
  3. 3/7
  4. 4/9
  5. 7/9
  6. 9/11
  7. 4/5
  8. 6
  9. 9
  10. 1/3
  11. 11/8
  12. 2/3
  13. 1
  14. 2/3
  15. 2/5
  16. 72
  17. 3/5
  18. 7
  19. 3
  20. 25/18
  21. 7/10
  22. 1/3
  23. 10
  24. 25/36
  25. 7
  26. 1/3
  27. 5/12
  28. 35
  29. 3/5
  30. 2/7
  31. 11
  32. 5/6
  33. 10
  34. 6/7
  35. 1
  36. 1/3
  37. 2/3
  38. 1
  39. 4/3
  40. 16/21

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