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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 670 · 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 1/5 of 40? (a) 9 (b) 32 (c) 8 (d) 16
  2. 2.Which fraction is greater: 5/7 or 7/8? (a) 7/8 (b) They are equal (c) 5/7
  3. 3.Which fraction is greater: 2/3 or 8/11? (a) 8/11 (b) They are equal (c) 2/3
  4. 4.2/3 + 1/3 = ? (a) 1/2 (b) 2/3 (c) 4/3 (d) 1
  5. 5.What is 1/2 of 22? (a) 12 (b) 10 (c) 22 (d) 11
  6. 6.Which fraction is greater: 1/5 or 3/8? (a) They are equal (b) 3/8 (c) 1/5
  7. 7.What is 7/8 of 16? (a) 16 (b) 2 (c) 15 (d) 14
  8. 8.Which fraction is greater: 1/4 or 2/3? (a) 1/4 (b) 2/3 (c) They are equal
  9. 9.6/8 + 1/3 = ? (a) 7/11 (b) 25/24 (c) 13/12 (d) 9/8
  10. 10.Which fraction is greater: 1/3 or 11/12? (a) They are equal (b) 11/12 (c) 1/3
  11. 11.What is 7/9 of 108? (a) 96 (b) 24 (c) 12 (d) 84
  12. 12.4/6 + 1/2 = ? (a) 5/8 (b) 7/6 (c) 4/3 (d) 1
  13. 13.2/3 + 2/3 = ? (a) 5/3 (b) 2/3 (c) 1 (d) 4/3
  14. 14.Which fraction is greater: 1/5 or 2/11? (a) They are equal (b) 1/5 (c) 2/11
  15. 15.What is 1/7 of 49? (a) 8 (b) 14 (c) 42 (d) 7
  16. 16.2/8 + 1/3 = ? (a) 5/8 (b) 7/12 (c) 3/11 (d) 13/24
  17. 17.Which fraction is greater: 1/3 or 4/11? (a) 1/3 (b) They are equal (c) 4/11
  18. 18.Which fraction is greater: 1/5 or 1/3? (a) 1/5 (b) They are equal (c) 1/3
  19. 19.What is 3/4 of 36? (a) 36 (b) 27 (c) 28 (d) 9
  20. 20.What is 5/6 of 30? (a) 5 (b) 26 (c) 30 (d) 25
  21. 21.3/5 + 3/7 = ? (a) 1 (b) 37/35 (c) 36/35 (d) 1/2
  22. 22.Which fraction is greater: 2/5 or 2/11? (a) They are equal (b) 2/5 (c) 2/11
  23. 23.Which fraction is greater: 4/5 or 7/11? (a) They are equal (b) 4/5 (c) 7/11
  24. 24.1/2 + 1/3 = ? (a) 5/6 (b) 1 (c) 2/3 (d) 2/5
  25. 25.Which fraction is greater: 1/3 or 1/4? (a) 1/4 (b) 1/3 (c) They are equal
  26. 26.What is 1/2 of 10? (a) 6 (b) 5 (c) 10 (d) 4
  27. 27.Which fraction is greater: 2/11 or 1/4? (a) 1/4 (b) 2/11 (c) They are equal
  28. 28.3/7 + 2/4 = ? (a) 25/28 (b) 5/11 (c) 27/28 (d) 13/14
  29. 29.What is 1/6 of 60? (a) 50 (b) 11 (c) 10 (d) 20
  30. 30.What is 5/6 of 42? (a) 7 (b) 42 (c) 35 (d) 36
  31. 31.Which fraction is greater: 6/11 or 3/4? (a) 3/4 (b) 6/11 (c) They are equal
  32. 32.What is 2/5 of 30? (a) 6 (b) 13 (c) 18 (d) 12
  33. 33.2/3 + 1/2 = ? (a) 7/6 (b) 4/3 (c) 1 (d) 3/5
  34. 34.Which fraction is greater: 2/3 or 1/10? (a) They are equal (b) 1/10 (c) 2/3
  35. 35.1/2 + 2/9 = ? (a) 3/11 (b) 2/3 (c) 13/18 (d) 7/9
  36. 36.Which fraction is greater: 1/9 or 6/11? (a) 1/9 (b) They are equal (c) 6/11
  37. 37.Which fraction is greater: 2/11 or 7/9? (a) 7/9 (b) 2/11 (c) They are equal
  38. 38.2/3 + 1/6 = ? (a) 2/3 (b) 1 (c) 5/6 (d) 1/3
  39. 39.What is 1/5 of 20? (a) 8 (b) 5 (c) 4 (d) 16
  40. 40.Which fraction is greater: 3/5 or 1/6? (a) 1/6 (b) 3/5 (c) They are equal

Answer key

  1. 8
  2. 7/8
  3. 8/11
  4. 1
  5. 11
  6. 3/8
  7. 14
  8. 2/3
  9. 13/12
  10. 11/12
  11. 84
  12. 7/6
  13. 4/3
  14. 1/5
  15. 7
  16. 7/12
  17. 4/11
  18. 1/3
  19. 27
  20. 25
  21. 36/35
  22. 2/5
  23. 4/5
  24. 5/6
  25. 1/3
  26. 5
  27. 1/4
  28. 13/14
  29. 10
  30. 35
  31. 3/4
  32. 12
  33. 7/6
  34. 2/3
  35. 13/18
  36. 6/11
  37. 7/9
  38. 5/6
  39. 4
  40. 3/5

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