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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 641 · 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. 1.2/7 + 1/2 = ? (a) 1/3 (b) 5/7 (c) 11/14 (d) 6/7
  2. 2.What is 2/5 of 50? (a) 21 (b) 10 (c) 20 (d) 30
  3. 3.What is 2/3 of 33? (a) 23 (b) 22 (c) 33 (d) 11
  4. 4.Which fraction is greater: 3/11 or 7/8? (a) 3/11 (b) They are equal (c) 7/8
  5. 5.2/3 + 1/9 = ? (a) 1/4 (b) 8/9 (c) 2/3 (d) 7/9
  6. 6.2/5 + 1/5 = ? (a) 3/5 (b) 2/5 (c) 4/5 (d) 3/10
  7. 7.What is 1/8 of 16? (a) 14 (b) 3 (c) 4 (d) 2
  8. 8.Which fraction is greater: 1/5 or 7/10? (a) They are equal (b) 1/5 (c) 7/10
  9. 9.What is 3/4 of 8? (a) 7 (b) 6 (c) 8 (d) 2
  10. 10.What is 1/2 of 20? (a) 10 (b) 20 (c) 9 (d) 11
  11. 11.Which fraction is greater: 1/5 or 1/3? (a) 1/3 (b) 1/5 (c) They are equal
  12. 12.5/6 + 2/3 = ? (a) 7/9 (b) 5/3 (c) 3/2 (d) 4/3
  13. 13.2/3 + 7/9 = ? (a) 14/9 (b) 13/9 (c) 3/4 (d) 4/3
  14. 14.What is 2/3 of 15? (a) 10 (b) 11 (c) 5 (d) 15
  15. 15.What is 1/2 of 4? (a) 1 (b) 4 (c) 3 (d) 2
  16. 16.3/9 + 1/4 = ? (a) 4/13 (b) 7/12 (c) 11/18 (d) 5/9
  17. 17.Which fraction is greater: 4/7 or 1/11? (a) 1/11 (b) They are equal (c) 4/7
  18. 18.1/3 + 2/8 = ? (a) 5/8 (b) 3/11 (c) 7/12 (d) 13/24
  19. 19.Which fraction is greater: 5/11 or 1/12? (a) 5/11 (b) They are equal (c) 1/12
  20. 20.What is 1/4 of 12? (a) 4 (b) 3 (c) 6 (d) 9
  21. 21.What is 3/5 of 55? (a) 11 (b) 33 (c) 44 (d) 22
  22. 22.1/5 + 1/4 = ? (a) 1/2 (b) 9/20 (c) 2/5 (d) 2/9
  23. 23.Which fraction is greater: 7/11 or 1/3? (a) 7/11 (b) They are equal (c) 1/3
  24. 24.What is 1/2 of 14? (a) 7 (b) 14 (c) 8 (d) 6
  25. 25.What is 2/5 of 20? (a) 9 (b) 12 (c) 4 (d) 8
  26. 26.Which fraction is greater: 2/3 or 5/9? (a) They are equal (b) 5/9 (c) 2/3
  27. 27.Which fraction is greater: 1/4 or 1/11? (a) 1/11 (b) They are equal (c) 1/4
  28. 28.Which fraction is greater: 4/9 or 1/4? (a) 1/4 (b) 4/9 (c) They are equal
  29. 29.What is 1/4 of 8? (a) 2 (b) 3 (c) 4 (d) 6
  30. 30.What is 1/2 of 16? (a) 16 (b) 7 (c) 8 (d) 9
  31. 31.Which fraction is greater: 1/6 or 5/12? (a) 1/6 (b) They are equal (c) 5/12
  32. 32.1/6 + 2/3 = ? (a) 1 (b) 5/6 (c) 1/3 (d) 2/3
  33. 33.What is 1/5 of 40? (a) 32 (b) 16 (c) 8 (d) 9
  34. 34.Which fraction is greater: 7/8 or 9/10? (a) 7/8 (b) 9/10 (c) They are equal
  35. 35.1/8 + 1/4 = ? (a) 1/4 (b) 1/6 (c) 1/2 (d) 3/8
  36. 36.What is 1/3 of 15? (a) 6 (b) 4 (c) 10 (d) 5
  37. 37.Which fraction is greater: 4/11 or 1/3? (a) 4/11 (b) 1/3 (c) They are equal
  38. 38.Which fraction is greater: 3/4 or 3/7? (a) They are equal (b) 3/4 (c) 3/7
  39. 39.What is 4/5 of 20? (a) 20 (b) 17 (c) 16 (d) 4
  40. 40.What is 1/2 of 12? (a) 5 (b) 7 (c) 12 (d) 6

Answer key

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

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