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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 135 · 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 1/3 of 36? (a) 13 (b) 12 (c) 11 (d) 24
  2. 2.Which fraction is greater: 1/4 or 2/11? (a) They are equal (b) 2/11 (c) 1/4
  3. 3.4/7 + 2/3 = ? (a) 3/5 (b) 9/7 (c) 26/21 (d) 25/21
  4. 4.Which fraction is greater: 2/3 or 8/11? (a) 8/11 (b) 2/3 (c) They are equal
  5. 5.What is 1/2 of 18? (a) 8 (b) 9 (c) 18 (d) 10
  6. 6.Which fraction is greater: 6/11 or 6/7? (a) They are equal (b) 6/11 (c) 6/7
  7. 7.Which fraction is greater: 1/4 or 3/8? (a) They are equal (b) 3/8 (c) 1/4
  8. 8.Which fraction is greater: 5/6 or 5/9? (a) 5/6 (b) They are equal (c) 5/9
  9. 9.Which fraction is greater: 3/5 or 1/11? (a) They are equal (b) 1/11 (c) 3/5
  10. 10.What is 2/5 of 20? (a) 4 (b) 12 (c) 9 (d) 8
  11. 11.2/4 + 3/5 = ? (a) 21/20 (b) 5/9 (c) 23/20 (d) 11/10
  12. 12.2/4 + 6/8 = ? (a) 11/8 (b) 9/8 (c) 2/3 (d) 5/4
  13. 13.Which fraction is greater: 4/7 or 3/4? (a) 4/7 (b) 3/4 (c) They are equal
  14. 14.Which fraction is greater: 3/5 or 3/7? (a) 3/5 (b) They are equal (c) 3/7
  15. 15.2/4 + 5/9 = ? (a) 7/13 (b) 13/12 (c) 19/18 (d) 37/36
  16. 16.Which fraction is greater: 5/9 or 1/3? (a) 5/9 (b) They are equal (c) 1/3
  17. 17.3/4 + 1/2 = ? (a) 1 (b) 3/2 (c) 5/4 (d) 2/3
  18. 18.What is 3/8 of 64? (a) 8 (b) 40 (c) 32 (d) 24
  19. 19.What is 3/5 of 20? (a) 4 (b) 8 (c) 12 (d) 16
  20. 20.4/7 + 3/7 = ? (a) 1/2 (b) 1 (c) 8/7 (d) 6/7
  21. 21.4/8 + 1/4 = ? (a) 7/8 (b) 3/4 (c) 5/12 (d) 5/8
  22. 22.Which fraction is greater: 5/9 or 1/12? (a) 5/9 (b) They are equal (c) 1/12
  23. 23.Which fraction is greater: 8/9 or 9/10? (a) 8/9 (b) 9/10 (c) They are equal
  24. 24.1/5 + 1/4 = ? (a) 2/9 (b) 9/20 (c) 1/2 (d) 2/5
  25. 25.Which fraction is greater: 6/11 or 2/5? (a) They are equal (b) 6/11 (c) 2/5
  26. 26.2/3 + 1/9 = ? (a) 1/4 (b) 2/3 (c) 7/9 (d) 8/9
  27. 27.1/3 + 1/2 = ? (a) 5/6 (b) 2/3 (c) 2/5 (d) 1
  28. 28.What is 2/3 of 21? (a) 21 (b) 7 (c) 15 (d) 14
  29. 29.Which fraction is greater: 3/11 or 1/6? (a) 3/11 (b) 1/6 (c) They are equal
  30. 30.What is 4/9 of 99? (a) 11 (b) 45 (c) 44 (d) 55
  31. 31.What is 1/2 of 12? (a) 5 (b) 7 (c) 6 (d) 12
  32. 32.Which fraction is greater: 4/5 or 2/7? (a) 2/7 (b) 4/5 (c) They are equal
  33. 33.Which fraction is greater: 2/3 or 1/5? (a) 1/5 (b) 2/3 (c) They are equal
  34. 34.3/7 + 1/2 = ? (a) 13/14 (b) 4/9 (c) 6/7 (d) 1
  35. 35.Which fraction is greater: 1/10 or 8/11? (a) 1/10 (b) They are equal (c) 8/11
  36. 36.3/7 + 1/3 = ? (a) 17/21 (b) 5/7 (c) 16/21 (d) 2/5
  37. 37.What is 3/7 of 77? (a) 11 (b) 34 (c) 44 (d) 33
  38. 38.What is 2/7 of 77? (a) 55 (b) 33 (c) 11 (d) 22
  39. 39.Which fraction is greater: 4/5 or 5/7? (a) 5/7 (b) 4/5 (c) They are equal
  40. 40.Which fraction is greater: 8/9 or 6/11? (a) They are equal (b) 6/11 (c) 8/9

Answer key

  1. 12
  2. 1/4
  3. 26/21
  4. 8/11
  5. 9
  6. 6/7
  7. 3/8
  8. 5/6
  9. 3/5
  10. 8
  11. 11/10
  12. 5/4
  13. 3/4
  14. 3/5
  15. 19/18
  16. 5/9
  17. 5/4
  18. 24
  19. 12
  20. 1
  21. 3/4
  22. 5/9
  23. 9/10
  24. 9/20
  25. 6/11
  26. 7/9
  27. 5/6
  28. 14
  29. 3/11
  30. 44
  31. 6
  32. 4/5
  33. 2/3
  34. 13/14
  35. 8/11
  36. 16/21
  37. 33
  38. 22
  39. 4/5
  40. 8/9

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