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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 598 · 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. 1.1/2 + 1/2 = ? (a) 2 (b) 1 (c) 1/2 (d) 3/2
  2. 2.What is 2/9 of 27? (a) 9 (b) 3 (c) 21 (d) 6
  3. 3.What is 1/4 of 12? (a) 4 (b) 6 (c) 9 (d) 3
  4. 4.What is 8/9 of 90? (a) 80 (b) 90 (c) 81 (d) 10
  5. 5.2/3 + 3/5 = ? (a) 5/8 (b) 6/5 (c) 19/15 (d) 4/3
  6. 6.Which fraction is greater: 2/3 or 2/11? (a) They are equal (b) 2/11 (c) 2/3
  7. 7.1/3 + 5/8 = ? (a) 23/24 (b) 1 (c) 6/11 (d) 11/12
  8. 8.Which fraction is greater: 3/4 or 5/8? (a) 3/4 (b) 5/8 (c) They are equal
  9. 9.What is 1/8 of 88? (a) 22 (b) 77 (c) 11 (d) 12
  10. 10.Which fraction is greater: 5/6 or 1/3? (a) They are equal (b) 5/6 (c) 1/3
  11. 11.What is 6/7 of 77? (a) 66 (b) 67 (c) 11 (d) 77
  12. 12.3/7 + 3/4 = ? (a) 33/28 (b) 6/11 (c) 8/7 (d) 17/14
  13. 13.What is 3/5 of 30? (a) 24 (b) 18 (c) 12 (d) 6
  14. 14.What is 1/6 of 36? (a) 30 (b) 6 (c) 12 (d) 7
  15. 15.Which fraction is greater: 1/4 or 1/7? (a) 1/7 (b) 1/4 (c) They are equal
  16. 16.What is 2/5 of 25? (a) 15 (b) 5 (c) 11 (d) 10
  17. 17.What is 1/2 of 6? (a) 6 (b) 2 (c) 3 (d) 4
  18. 18.1/6 + 2/6 = ? (a) 1/2 (b) 2/3 (c) 1/4 (d) 1/3
  19. 19.Which fraction is greater: 1/3 or 5/7? (a) They are equal (b) 5/7 (c) 1/3
  20. 20.What is 1/2 of 14? (a) 14 (b) 7 (c) 8 (d) 6
  21. 21.What is 7/9 of 27? (a) 3 (b) 6 (c) 21 (d) 24
  22. 22.Which fraction is greater: 3/4 or 5/7? (a) They are equal (b) 5/7 (c) 3/4
  23. 23.What is 2/3 of 21? (a) 7 (b) 15 (c) 21 (d) 14
  24. 24.4/6 + 4/5 = ? (a) 22/15 (b) 8/11 (c) 43/30 (d) 3/2
  25. 25.What is 3/5 of 15? (a) 12 (b) 3 (c) 6 (d) 9
  26. 26.What is 3/5 of 55? (a) 22 (b) 44 (c) 33 (d) 11
  27. 27.What is 1/5 of 55? (a) 12 (b) 44 (c) 22 (d) 11
  28. 28.Which fraction is greater: 5/7 or 7/10? (a) 7/10 (b) 5/7 (c) They are equal
  29. 29.4/8 + 1/4 = ? (a) 3/4 (b) 5/12 (c) 5/8 (d) 7/8
  30. 30.What is 3/5 of 35? (a) 21 (b) 28 (c) 7 (d) 14
  31. 31.Which fraction is greater: 1/6 or 1/11? (a) They are equal (b) 1/11 (c) 1/6
  32. 32.1/3 + 2/4 = ? (a) 3/4 (b) 5/6 (c) 11/12 (d) 3/7
  33. 33.Which fraction is greater: 5/7 or 2/3? (a) 5/7 (b) 2/3 (c) They are equal
  34. 34.Which fraction is greater: 9/11 or 7/8? (a) 9/11 (b) 7/8 (c) They are equal
  35. 35.Which fraction is greater: 1/3 or 4/5? (a) 4/5 (b) They are equal (c) 1/3
  36. 36.1/7 + 3/7 = ? (a) 3/7 (b) 2/7 (c) 4/7 (d) 5/7
  37. 37.Which fraction is greater: 2/9 or 6/7? (a) They are equal (b) 6/7 (c) 2/9
  38. 38.Which fraction is greater: 5/12 or 1/9? (a) 1/9 (b) 5/12 (c) They are equal
  39. 39.Which fraction is greater: 7/8 or 3/11? (a) They are equal (b) 3/11 (c) 7/8
  40. 40.Which fraction is greater: 10/11 or 5/12? (a) They are equal (b) 10/11 (c) 5/12

Answer key

  1. 1
  2. 6
  3. 3
  4. 80
  5. 19/15
  6. 2/3
  7. 23/24
  8. 3/4
  9. 11
  10. 5/6
  11. 66
  12. 33/28
  13. 18
  14. 6
  15. 1/4
  16. 10
  17. 3
  18. 1/2
  19. 5/7
  20. 7
  21. 21
  22. 3/4
  23. 14
  24. 22/15
  25. 9
  26. 33
  27. 11
  28. 5/7
  29. 3/4
  30. 21
  31. 1/6
  32. 5/6
  33. 5/7
  34. 7/8
  35. 4/5
  36. 4/7
  37. 6/7
  38. 5/12
  39. 7/8
  40. 10/11

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