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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 287 · 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. 1.7/9 + 2/3 = ? (a) 3/4 (b) 14/9 (c) 4/3 (d) 13/9
  2. 2.Which fraction is greater: 1/4 or 2/3? (a) 2/3 (b) 1/4 (c) They are equal
  3. 3.Which fraction is greater: 4/11 or 1/12? (a) 1/12 (b) 4/11 (c) They are equal
  4. 4.What is 5/6 of 30? (a) 5 (b) 25 (c) 26 (d) 30
  5. 5.What is 4/9 of 27? (a) 13 (b) 15 (c) 3 (d) 12
  6. 6.What is 2/3 of 12? (a) 12 (b) 8 (c) 9 (d) 4
  7. 7.2/3 + 2/6 = ? (a) 4/9 (b) 5/6 (c) 7/6 (d) 1
  8. 8.What is 1/5 of 45? (a) 9 (b) 10 (c) 36 (d) 18
  9. 9.What is 1/3 of 33? (a) 22 (b) 11 (c) 10 (d) 12
  10. 10.4/6 + 3/5 = ? (a) 13/10 (b) 7/11 (c) 19/15 (d) 37/30
  11. 11.What is 2/9 of 63? (a) 49 (b) 21 (c) 7 (d) 14
  12. 12.2/3 + 2/4 = ? (a) 13/12 (b) 5/4 (c) 4/7 (d) 7/6
  13. 13.1/9 + 1/4 = ? (a) 2/13 (b) 7/18 (c) 1/3 (d) 13/36
  14. 14.Which fraction is greater: 2/3 or 11/12? (a) 11/12 (b) They are equal (c) 2/3
  15. 15.2/3 + 3/5 = ? (a) 4/3 (b) 19/15 (c) 5/8 (d) 6/5
  16. 16.2/3 + 1/3 = ? (a) 1/2 (b) 2/3 (c) 1 (d) 4/3
  17. 17.Which fraction is greater: 1/9 or 4/5? (a) They are equal (b) 4/5 (c) 1/9
  18. 18.What is 1/2 of 24? (a) 13 (b) 11 (c) 12 (d) 24
  19. 19.Which fraction is greater: 3/11 or 3/4? (a) They are equal (b) 3/4 (c) 3/11
  20. 20.What is 4/5 of 10? (a) 10 (b) 9 (c) 2 (d) 8
  21. 21.1/2 + 2/6 = ? (a) 3/8 (b) 2/3 (c) 1 (d) 5/6
  22. 22.2/3 + 3/4 = ? (a) 3/2 (b) 5/7 (c) 17/12 (d) 4/3
  23. 23.What is 8/9 of 90? (a) 90 (b) 10 (c) 80 (d) 81
  24. 24.What is 1/6 of 42? (a) 14 (b) 8 (c) 35 (d) 7
  25. 25.Which fraction is greater: 1/5 or 1/6? (a) They are equal (b) 1/5 (c) 1/6
  26. 26.Which fraction is greater: 2/5 or 2/11? (a) 2/11 (b) They are equal (c) 2/5
  27. 27.Which fraction is greater: 5/9 or 1/7? (a) 5/9 (b) They are equal (c) 1/7
  28. 28.What is 4/5 of 20? (a) 4 (b) 16 (c) 20 (d) 17
  29. 29.5/6 + 2/4 = ? (a) 4/3 (b) 17/12 (c) 7/10 (d) 5/4
  30. 30.What is 3/5 of 35? (a) 14 (b) 21 (c) 28 (d) 7
  31. 31.What is 7/9 of 90? (a) 80 (b) 70 (c) 10 (d) 20
  32. 32.Which fraction is greater: 5/11 or 3/8? (a) 5/11 (b) They are equal (c) 3/8
  33. 33.What is 5/9 of 27? (a) 18 (b) 15 (c) 12 (d) 3
  34. 34.2/3 + 2/3 = ? (a) 5/3 (b) 4/3 (c) 1 (d) 2/3
  35. 35.Which fraction is greater: 2/9 or 4/11? (a) They are equal (b) 2/9 (c) 4/11
  36. 36.Which fraction is greater: 3/10 or 1/3? (a) They are equal (b) 3/10 (c) 1/3
  37. 37.What is 1/9 of 81? (a) 9 (b) 18 (c) 72 (d) 10
  38. 38.Which fraction is greater: 1/7 or 4/9? (a) 4/9 (b) 1/7 (c) They are equal
  39. 39.6/8 + 1/2 = ? (a) 7/10 (b) 11/8 (c) 5/4 (d) 9/8
  40. 40.1/3 + 1/4 = ? (a) 2/3 (b) 1/2 (c) 7/12 (d) 2/7

Answer key

  1. 13/9
  2. 2/3
  3. 4/11
  4. 25
  5. 12
  6. 8
  7. 1
  8. 9
  9. 11
  10. 19/15
  11. 14
  12. 7/6
  13. 13/36
  14. 11/12
  15. 19/15
  16. 1
  17. 4/5
  18. 12
  19. 3/4
  20. 8
  21. 5/6
  22. 17/12
  23. 80
  24. 7
  25. 1/5
  26. 2/5
  27. 5/9
  28. 16
  29. 4/3
  30. 21
  31. 70
  32. 5/11
  33. 15
  34. 4/3
  35. 4/11
  36. 1/3
  37. 9
  38. 4/9
  39. 5/4
  40. 7/12

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