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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 777 · 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: 3/4 or 1/5? (a) 1/5 (b) 3/4 (c) They are equal
  2. 2.Which fraction is greater: 7/11 or 2/7? (a) They are equal (b) 2/7 (c) 7/11
  3. 3.2/6 + 2/3 = ? (a) 7/6 (b) 5/6 (c) 1 (d) 4/9
  4. 4.What is 8/9 of 90? (a) 81 (b) 90 (c) 10 (d) 80
  5. 5.Which fraction is greater: 6/11 or 1/6? (a) They are equal (b) 1/6 (c) 6/11
  6. 6.What is 1/9 of 27? (a) 24 (b) 3 (c) 4 (d) 6
  7. 7.1/5 + 1/7 = ? (a) 12/35 (b) 13/35 (c) 1/6 (d) 11/35
  8. 8.Which fraction is greater: 1/3 or 6/11? (a) 1/3 (b) They are equal (c) 6/11
  9. 9.Which fraction is greater: 1/5 or 6/11? (a) 6/11 (b) 1/5 (c) They are equal
  10. 10.Which fraction is greater: 9/10 or 1/3? (a) 1/3 (b) 9/10 (c) They are equal
  11. 11.1/3 + 1/3 = ? (a) 1/3 (b) 1 (c) 2/3 (d) 4/3
  12. 12.5/6 + 1/2 = ? (a) 3/2 (b) 4/3 (c) 7/6 (d) 3/4
  13. 13.What is 1/4 of 40? (a) 10 (b) 11 (c) 30 (d) 20
  14. 14.1/3 + 3/5 = ? (a) 1/2 (b) 1 (c) 14/15 (d) 13/15
  15. 15.Which fraction is greater: 4/9 or 1/5? (a) They are equal (b) 4/9 (c) 1/5
  16. 16.2/6 + 1/2 = ? (a) 3/8 (b) 1 (c) 5/6 (d) 2/3
  17. 17.Which fraction is greater: 1/9 or 4/11? (a) 1/9 (b) They are equal (c) 4/11
  18. 18.Which fraction is greater: 4/9 or 2/5? (a) 2/5 (b) 4/9 (c) They are equal
  19. 19.1/2 + 1/4 = ? (a) 1 (b) 3/4 (c) 1/3 (d) 1/2
  20. 20.Which fraction is greater: 4/5 or 8/9? (a) 4/5 (b) 8/9 (c) They are equal
  21. 21.Which fraction is greater: 1/5 or 6/7? (a) 1/5 (b) They are equal (c) 6/7
  22. 22.1/3 + 1/6 = ? (a) 1/2 (b) 2/9 (c) 1/3 (d) 2/3
  23. 23.3/7 + 1/3 = ? (a) 2/5 (b) 16/21 (c) 17/21 (d) 5/7
  24. 24.1/4 + 1/8 = ? (a) 1/4 (b) 3/8 (c) 1/2 (d) 1/6
  25. 25.Which fraction is greater: 5/12 or 1/4? (a) They are equal (b) 1/4 (c) 5/12
  26. 26.Which fraction is greater: 1/5 or 1/7? (a) They are equal (b) 1/5 (c) 1/7
  27. 27.Which fraction is greater: 1/3 or 1/9? (a) 1/3 (b) They are equal (c) 1/9
  28. 28.What is 5/8 of 32? (a) 4 (b) 24 (c) 20 (d) 12
  29. 29.8/9 + 4/9 = ? (a) 13/9 (b) 2/3 (c) 11/9 (d) 4/3
  30. 30.What is 1/2 of 8? (a) 8 (b) 4 (c) 3 (d) 5
  31. 31.What is 3/4 of 8? (a) 6 (b) 7 (c) 2 (d) 8
  32. 32.What is 1/2 of 20? (a) 20 (b) 10 (c) 9 (d) 11
  33. 33.Which fraction is greater: 2/3 or 7/8? (a) 7/8 (b) 2/3 (c) They are equal
  34. 34.2/3 + 2/9 = ? (a) 1/3 (b) 1 (c) 7/9 (d) 8/9
  35. 35.What is 1/4 of 28? (a) 14 (b) 7 (c) 8 (d) 21
  36. 36.Which fraction is greater: 1/4 or 2/3? (a) 1/4 (b) They are equal (c) 2/3
  37. 37.Which fraction is greater: 7/11 or 1/6? (a) 1/6 (b) 7/11 (c) They are equal
  38. 38.Which fraction is greater: 1/5 or 11/12? (a) 11/12 (b) 1/5 (c) They are equal
  39. 39.What is 1/3 of 15? (a) 5 (b) 10 (c) 4 (d) 6
  40. 40.What is 5/7 of 70? (a) 10 (b) 20 (c) 60 (d) 50

Answer key

  1. 3/4
  2. 7/11
  3. 1
  4. 80
  5. 6/11
  6. 3
  7. 12/35
  8. 6/11
  9. 6/11
  10. 9/10
  11. 2/3
  12. 4/3
  13. 10
  14. 14/15
  15. 4/9
  16. 5/6
  17. 4/11
  18. 4/9
  19. 3/4
  20. 8/9
  21. 6/7
  22. 1/2
  23. 16/21
  24. 3/8
  25. 5/12
  26. 1/5
  27. 1/3
  28. 20
  29. 4/3
  30. 4
  31. 6
  32. 10
  33. 7/8
  34. 8/9
  35. 7
  36. 2/3
  37. 7/11
  38. 11/12
  39. 5
  40. 50

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