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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 82 · 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 + 4/5 = ? (a) 7/5 (b) 13/10 (c) 6/5 (d) 5/7
  2. 2.Which fraction is greater: 1/6 or 4/7? (a) 1/6 (b) 4/7 (c) They are equal
  3. 3.What is 2/5 of 10? (a) 4 (b) 6 (c) 5 (d) 2
  4. 4.What is 8/9 of 90? (a) 80 (b) 90 (c) 10 (d) 81
  5. 5.Which fraction is greater: 1/7 or 1/3? (a) 1/7 (b) 1/3 (c) They are equal
  6. 6.Which fraction is greater: 5/8 or 1/6? (a) They are equal (b) 1/6 (c) 5/8
  7. 7.What is 3/5 of 20? (a) 16 (b) 12 (c) 4 (d) 8
  8. 8.2/4 + 1/2 = ? (a) 1/2 (b) 3/4 (c) 1 (d) 5/4
  9. 9.Which fraction is greater: 1/3 or 5/8? (a) They are equal (b) 1/3 (c) 5/8
  10. 10.2/5 + 2/5 = ? (a) 3/5 (b) 1 (c) 4/5 (d) 2/5
  11. 11.What is 5/8 of 48? (a) 6 (b) 36 (c) 18 (d) 30
  12. 12.Which fraction is greater: 3/5 or 1/3? (a) They are equal (b) 1/3 (c) 3/5
  13. 13.3/4 + 3/8 = ? (a) 1/2 (b) 9/8 (c) 1 (d) 5/4
  14. 14.Which fraction is greater: 6/7 or 1/3? (a) They are equal (b) 1/3 (c) 6/7
  15. 15.Which fraction is greater: 2/11 or 1/6? (a) They are equal (b) 2/11 (c) 1/6
  16. 16.Which fraction is greater: 10/11 or 3/4? (a) 3/4 (b) They are equal (c) 10/11
  17. 17.7/8 + 3/4 = ? (a) 5/6 (b) 3/2 (c) 13/8 (d) 7/4
  18. 18.Which fraction is greater: 3/5 or 7/9? (a) 3/5 (b) 7/9 (c) They are equal
  19. 19.Which fraction is greater: 5/7 or 9/10? (a) 5/7 (b) 9/10 (c) They are equal
  20. 20.1/2 + 1/2 = ? (a) 1 (b) 1/2 (c) 2 (d) 3/2
  21. 21.What is 1/2 of 20? (a) 11 (b) 20 (c) 9 (d) 10
  22. 22.Which fraction is greater: 1/5 or 2/3? (a) 1/5 (b) They are equal (c) 2/3
  23. 23.2/3 + 1/6 = ? (a) 1 (b) 1/3 (c) 2/3 (d) 5/6
  24. 24.5/8 + 2/3 = ? (a) 4/3 (b) 7/11 (c) 5/4 (d) 31/24
  25. 25.2/3 + 1/4 = ? (a) 3/7 (b) 1 (c) 11/12 (d) 5/6
  26. 26.What is 5/6 of 18? (a) 18 (b) 3 (c) 16 (d) 15
  27. 27.What is 6/7 of 35? (a) 35 (b) 5 (c) 30 (d) 31
  28. 28.2/4 + 2/5 = ? (a) 9/10 (b) 4/9 (c) 17/20 (d) 19/20
  29. 29.3/5 + 1/5 = ? (a) 1 (b) 3/5 (c) 4/5 (d) 2/5
  30. 30.Which fraction is greater: 2/3 or 1/4? (a) 1/4 (b) 2/3 (c) They are equal
  31. 31.2/6 + 2/4 = ? (a) 5/6 (b) 3/4 (c) 11/12 (d) 2/5
  32. 32.5/6 + 2/9 = ? (a) 7/15 (b) 10/9 (c) 1 (d) 19/18
  33. 33.What is 2/3 of 9? (a) 7 (b) 9 (c) 6 (d) 3
  34. 34.Which fraction is greater: 11/12 or 1/6? (a) They are equal (b) 11/12 (c) 1/6
  35. 35.Which fraction is greater: 1/4 or 4/9? (a) 1/4 (b) 4/9 (c) They are equal
  36. 36.Which fraction is greater: 1/6 or 8/11? (a) 1/6 (b) 8/11 (c) They are equal
  37. 37.Which fraction is greater: 1/4 or 7/8? (a) 7/8 (b) They are equal (c) 1/4
  38. 38.Which fraction is greater: 1/10 or 4/11? (a) 1/10 (b) They are equal (c) 4/11
  39. 39.Which fraction is greater: 2/3 or 1/9? (a) They are equal (b) 2/3 (c) 1/9
  40. 40.What is 1/8 of 16? (a) 14 (b) 2 (c) 3 (d) 4

Answer key

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

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