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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 650 · 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.Which fraction is greater: 2/3 or 1/6? (a) 2/3 (b) They are equal (c) 1/6
  2. 2.1/2 + 4/5 = ? (a) 6/5 (b) 5/7 (c) 7/5 (d) 13/10
  3. 3.What is 2/3 of 18? (a) 18 (b) 6 (c) 13 (d) 12
  4. 4.What is 1/5 of 20? (a) 8 (b) 4 (c) 16 (d) 5
  5. 5.Which fraction is greater: 1/4 or 8/9? (a) 1/4 (b) They are equal (c) 8/9
  6. 6.Which fraction is greater: 4/11 or 7/10? (a) They are equal (b) 7/10 (c) 4/11
  7. 7.1/8 + 1/2 = ? (a) 3/4 (b) 5/8 (c) 1/5 (d) 1/2
  8. 8.What is 2/3 of 33? (a) 33 (b) 22 (c) 23 (d) 11
  9. 9.Which fraction is greater: 1/5 or 5/7? (a) They are equal (b) 5/7 (c) 1/5
  10. 10.Which fraction is greater: 1/4 or 2/3? (a) They are equal (b) 1/4 (c) 2/3
  11. 11.1/3 + 4/8 = ? (a) 5/6 (b) 5/11 (c) 19/24 (d) 7/8
  12. 12.What is 1/4 of 8? (a) 2 (b) 6 (c) 3 (d) 4
  13. 13.What is 1/2 of 8? (a) 4 (b) 8 (c) 5 (d) 3
  14. 14.3/5 + 2/3 = ? (a) 4/3 (b) 5/8 (c) 19/15 (d) 6/5
  15. 15.What is 1/3 of 6? (a) 2 (b) 1 (c) 3 (d) 4
  16. 16.Which fraction is greater: 7/9 or 1/4? (a) 1/4 (b) They are equal (c) 7/9
  17. 17.Which fraction is greater: 9/10 or 2/3? (a) 9/10 (b) 2/3 (c) They are equal
  18. 18.Which fraction is greater: 1/10 or 2/9? (a) 1/10 (b) They are equal (c) 2/9
  19. 19.What is 2/5 of 10? (a) 5 (b) 6 (c) 2 (d) 4
  20. 20.What is 8/9 of 72? (a) 64 (b) 72 (c) 8 (d) 65
  21. 21.What is 1/2 of 4? (a) 1 (b) 2 (c) 3 (d) 4
  22. 22.Which fraction is greater: 8/11 or 1/12? (a) 1/12 (b) 8/11 (c) They are equal
  23. 23.What is 1/3 of 9? (a) 4 (b) 6 (c) 2 (d) 3
  24. 24.What is 5/6 of 24? (a) 4 (b) 24 (c) 21 (d) 20
  25. 25.Which fraction is greater: 2/7 or 5/6? (a) 5/6 (b) They are equal (c) 2/7
  26. 26.Which fraction is greater: 4/9 or 1/5? (a) 1/5 (b) 4/9 (c) They are equal
  27. 27.What is 3/5 of 20? (a) 4 (b) 8 (c) 12 (d) 16
  28. 28.4/6 + 2/3 = ? (a) 2/3 (b) 7/6 (c) 3/2 (d) 4/3
  29. 29.Which fraction is greater: 3/4 or 3/7? (a) They are equal (b) 3/4 (c) 3/7
  30. 30.1/2 + 2/3 = ? (a) 1 (b) 7/6 (c) 3/5 (d) 4/3
  31. 31.1/2 + 6/7 = ? (a) 10/7 (b) 19/14 (c) 9/7 (d) 7/9
  32. 32.2/5 + 1/3 = ? (a) 2/3 (b) 11/15 (c) 3/8 (d) 4/5
  33. 33.2/3 + 1/2 = ? (a) 3/5 (b) 7/6 (c) 4/3 (d) 1
  34. 34.2/7 + 1/5 = ? (a) 16/35 (b) 18/35 (c) 1/4 (d) 17/35
  35. 35.1/2 + 1/3 = ? (a) 5/6 (b) 1 (c) 2/3 (d) 2/5
  36. 36.4/7 + 3/4 = ? (a) 7/11 (b) 19/14 (c) 9/7 (d) 37/28
  37. 37.Which fraction is greater: 5/11 or 7/9? (a) 7/9 (b) They are equal (c) 5/11
  38. 38.Which fraction is greater: 1/10 or 2/11? (a) 2/11 (b) They are equal (c) 1/10
  39. 39.1/4 + 1/3 = ? (a) 2/3 (b) 7/12 (c) 2/7 (d) 1/2
  40. 40.1/2 + 1/2 = ? (a) 1/2 (b) 2 (c) 1 (d) 3/2

Answer key

  1. 2/3
  2. 13/10
  3. 12
  4. 4
  5. 8/9
  6. 7/10
  7. 5/8
  8. 22
  9. 5/7
  10. 2/3
  11. 5/6
  12. 2
  13. 4
  14. 19/15
  15. 2
  16. 7/9
  17. 9/10
  18. 2/9
  19. 4
  20. 64
  21. 2
  22. 8/11
  23. 3
  24. 20
  25. 5/6
  26. 4/9
  27. 12
  28. 4/3
  29. 3/4
  30. 7/6
  31. 19/14
  32. 11/15
  33. 7/6
  34. 17/35
  35. 5/6
  36. 37/28
  37. 7/9
  38. 2/11
  39. 7/12
  40. 1

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