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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 517 · 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) 1/2 (b) 3/2 (c) 2 (d) 1
  2. 2.Which fraction is greater: 3/5 or 1/6? (a) They are equal (b) 3/5 (c) 1/6
  3. 3.What is 2/3 of 33? (a) 11 (b) 33 (c) 23 (d) 22
  4. 4.2/3 + 3/9 = ? (a) 8/9 (b) 5/12 (c) 1 (d) 10/9
  5. 5.Which fraction is greater: 4/11 or 3/5? (a) 4/11 (b) 3/5 (c) They are equal
  6. 6.What is 5/9 of 72? (a) 32 (b) 40 (c) 48 (d) 8
  7. 7.Which fraction is greater: 3/5 or 5/8? (a) 5/8 (b) They are equal (c) 3/5
  8. 8.What is 1/5 of 50? (a) 40 (b) 20 (c) 11 (d) 10
  9. 9.Which fraction is greater: 2/3 or 2/7? (a) 2/3 (b) 2/7 (c) They are equal
  10. 10.Which fraction is greater: 2/7 or 1/4? (a) 1/4 (b) 2/7 (c) They are equal
  11. 11.Which fraction is greater: 3/7 or 5/11? (a) 5/11 (b) 3/7 (c) They are equal
  12. 12.Which fraction is greater: 3/7 or 4/11? (a) They are equal (b) 3/7 (c) 4/11
  13. 13.Which fraction is greater: 2/3 or 1/6? (a) 2/3 (b) They are equal (c) 1/6
  14. 14.Which fraction is greater: 1/12 or 1/10? (a) They are equal (b) 1/12 (c) 1/10
  15. 15.Which fraction is greater: 1/11 or 1/8? (a) They are equal (b) 1/11 (c) 1/8
  16. 16.Which fraction is greater: 1/4 or 11/12? (a) They are equal (b) 11/12 (c) 1/4
  17. 17.Which fraction is greater: 1/7 or 1/11? (a) 1/7 (b) 1/11 (c) They are equal
  18. 18.What is 7/8 of 24? (a) 24 (b) 22 (c) 3 (d) 21
  19. 19.What is 1/2 of 10? (a) 5 (b) 10 (c) 6 (d) 4
  20. 20.1/3 + 1/2 = ? (a) 2/3 (b) 1 (c) 5/6 (d) 2/5
  21. 21.3/8 + 1/3 = ? (a) 17/24 (b) 4/11 (c) 3/4 (d) 2/3
  22. 22.1/4 + 1/3 = ? (a) 1/2 (b) 2/7 (c) 7/12 (d) 2/3
  23. 23.1/3 + 2/5 = ? (a) 2/3 (b) 4/5 (c) 3/8 (d) 11/15
  24. 24.Which fraction is greater: 4/9 or 10/11? (a) They are equal (b) 4/9 (c) 10/11
  25. 25.Which fraction is greater: 5/7 or 1/5? (a) 1/5 (b) 5/7 (c) They are equal
  26. 26.Which fraction is greater: 2/5 or 1/4? (a) They are equal (b) 2/5 (c) 1/4
  27. 27.Which fraction is greater: 3/7 or 1/4? (a) 1/4 (b) 3/7 (c) They are equal
  28. 28.Which fraction is greater: 5/11 or 1/3? (a) They are equal (b) 5/11 (c) 1/3
  29. 29.What is 6/7 of 21? (a) 21 (b) 19 (c) 18 (d) 3
  30. 30.3/7 + 3/4 = ? (a) 33/28 (b) 17/14 (c) 8/7 (d) 6/11
  31. 31.What is 1/3 of 15? (a) 6 (b) 4 (c) 10 (d) 5
  32. 32.3/4 + 2/7 = ? (a) 5/11 (b) 29/28 (c) 15/14 (d) 1
  33. 33.3/8 + 5/6 = ? (a) 4/7 (b) 7/6 (c) 5/4 (d) 29/24
  34. 34.What is 1/3 of 30? (a) 9 (b) 11 (c) 20 (d) 10
  35. 35.What is 1/2 of 18? (a) 18 (b) 10 (c) 9 (d) 8
  36. 36.Which fraction is greater: 1/7 or 4/9? (a) 1/7 (b) 4/9 (c) They are equal
  37. 37.1/2 + 3/5 = ? (a) 6/5 (b) 1 (c) 11/10 (d) 4/7
  38. 38.2/7 + 2/4 = ? (a) 23/28 (b) 11/14 (c) 3/4 (d) 4/11
  39. 39.2/4 + 3/8 = ? (a) 1 (b) 5/12 (c) 7/8 (d) 3/4
  40. 40.Which fraction is greater: 1/9 or 1/8? (a) 1/8 (b) They are equal (c) 1/9

Answer key

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

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