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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 747 · 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 + 4/9 = ? (a) 5/11 (b) 8/9 (c) 1 (d) 17/18
  2. 2.1/3 + 1/5 = ? (a) 1/4 (b) 8/15 (c) 7/15 (d) 3/5
  3. 3.Which fraction is greater: 1/10 or 5/9? (a) They are equal (b) 5/9 (c) 1/10
  4. 4.Which fraction is greater: 10/11 or 5/12? (a) They are equal (b) 5/12 (c) 10/11
  5. 5.What is 2/5 of 45? (a) 19 (b) 9 (c) 27 (d) 18
  6. 6.What is 1/3 of 12? (a) 8 (b) 4 (c) 5 (d) 3
  7. 7.Which fraction is greater: 6/7 or 1/3? (a) They are equal (b) 1/3 (c) 6/7
  8. 8.What is 1/3 of 15? (a) 10 (b) 5 (c) 6 (d) 4
  9. 9.What is 4/7 of 84? (a) 48 (b) 60 (c) 36 (d) 12
  10. 10.Which fraction is greater: 2/5 or 4/11? (a) They are equal (b) 2/5 (c) 4/11
  11. 11.What is 3/4 of 24? (a) 19 (b) 18 (c) 6 (d) 24
  12. 12.What is 3/7 of 63? (a) 28 (b) 9 (c) 27 (d) 36
  13. 13.Which fraction is greater: 1/8 or 1/7? (a) 1/8 (b) They are equal (c) 1/7
  14. 14.2/3 + 2/4 = ? (a) 4/7 (b) 13/12 (c) 7/6 (d) 5/4
  15. 15.1/2 + 1/5 = ? (a) 4/5 (b) 7/10 (c) 3/5 (d) 2/7
  16. 16.What is 1/2 of 18? (a) 18 (b) 9 (c) 8 (d) 10
  17. 17.1/2 + 2/6 = ? (a) 3/8 (b) 5/6 (c) 2/3 (d) 1
  18. 18.1/6 + 4/8 = ? (a) 5/14 (b) 17/24 (c) 2/3 (d) 5/8
  19. 19.What is 1/6 of 48? (a) 16 (b) 8 (c) 9 (d) 40
  20. 20.1/2 + 1/2 = ? (a) 1 (b) 2 (c) 3/2 (d) 1/2
  21. 21.What is 1/4 of 12? (a) 3 (b) 6 (c) 9 (d) 4
  22. 22.What is 2/5 of 30? (a) 13 (b) 6 (c) 18 (d) 12
  23. 23.Which fraction is greater: 5/11 or 1/4? (a) They are equal (b) 1/4 (c) 5/11
  24. 24.1/6 + 1/2 = ? (a) 1/4 (b) 1/2 (c) 5/6 (d) 2/3
  25. 25.Which fraction is greater: 3/10 or 5/8? (a) 3/10 (b) They are equal (c) 5/8
  26. 26.7/8 + 1/2 = ? (a) 11/8 (b) 3/2 (c) 4/5 (d) 5/4
  27. 27.2/3 + 3/7 = ? (a) 22/21 (b) 8/7 (c) 1/2 (d) 23/21
  28. 28.Which fraction is greater: 2/11 or 1/5? (a) 1/5 (b) They are equal (c) 2/11
  29. 29.What is 4/9 of 81? (a) 36 (b) 37 (c) 45 (d) 9
  30. 30.Which fraction is greater: 1/9 or 1/3? (a) 1/9 (b) They are equal (c) 1/3
  31. 31.1/2 + 4/6 = ? (a) 5/8 (b) 7/6 (c) 4/3 (d) 1
  32. 32.Which fraction is greater: 1/5 or 1/6? (a) 1/5 (b) They are equal (c) 1/6
  33. 33.4/6 + 2/8 = ? (a) 3/7 (b) 7/8 (c) 23/24 (d) 11/12
  34. 34.Which fraction is greater: 1/7 or 1/5? (a) 1/5 (b) They are equal (c) 1/7
  35. 35.Which fraction is greater: 1/7 or 1/9? (a) 1/9 (b) They are equal (c) 1/7
  36. 36.Which fraction is greater: 3/5 or 1/11? (a) 1/11 (b) They are equal (c) 3/5
  37. 37.What is 2/3 of 18? (a) 6 (b) 12 (c) 18 (d) 13
  38. 38.What is 5/8 of 56? (a) 21 (b) 42 (c) 35 (d) 7
  39. 39.What is 1/2 of 6? (a) 3 (b) 6 (c) 2 (d) 4
  40. 40.5/8 + 1/2 = ? (a) 3/5 (b) 5/4 (c) 1 (d) 9/8

Answer key

  1. 17/18
  2. 8/15
  3. 5/9
  4. 10/11
  5. 18
  6. 4
  7. 6/7
  8. 5
  9. 48
  10. 2/5
  11. 18
  12. 27
  13. 1/7
  14. 7/6
  15. 7/10
  16. 9
  17. 5/6
  18. 2/3
  19. 8
  20. 1
  21. 3
  22. 12
  23. 5/11
  24. 2/3
  25. 5/8
  26. 11/8
  27. 23/21
  28. 1/5
  29. 36
  30. 1/3
  31. 7/6
  32. 1/5
  33. 11/12
  34. 1/5
  35. 1/7
  36. 3/5
  37. 12
  38. 35
  39. 3
  40. 9/8

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