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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 67 · 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: 1/7 or 2/3? (a) They are equal (b) 1/7 (c) 2/3
  2. 2.3/6 + 4/5 = ? (a) 13/10 (b) 19/15 (c) 4/3 (d) 7/11
  3. 3.2/3 + 5/6 = ? (a) 5/3 (b) 4/3 (c) 3/2 (d) 7/9
  4. 4.1/2 + 8/9 = ? (a) 9/11 (b) 25/18 (c) 13/9 (d) 4/3
  5. 5.Which fraction is greater: 8/9 or 5/12? (a) 8/9 (b) 5/12 (c) They are equal
  6. 6.1/9 + 5/9 = ? (a) 1/3 (b) 5/9 (c) 7/9 (d) 2/3
  7. 7.1/7 + 2/3 = ? (a) 3/10 (b) 6/7 (c) 16/21 (d) 17/21
  8. 8.Which fraction is greater: 2/9 or 4/7? (a) 2/9 (b) They are equal (c) 4/7
  9. 9.1/4 + 4/6 = ? (a) 1/2 (b) 5/6 (c) 1 (d) 11/12
  10. 10.2/3 + 6/7 = ? (a) 11/7 (b) 31/21 (c) 4/5 (d) 32/21
  11. 11.Which fraction is greater: 3/4 or 1/10? (a) 3/4 (b) 1/10 (c) They are equal
  12. 12.Which fraction is greater: 2/3 or 5/9? (a) They are equal (b) 5/9 (c) 2/3
  13. 13.Which fraction is greater: 1/3 or 1/12? (a) 1/12 (b) 1/3 (c) They are equal
  14. 14.What is 7/9 of 27? (a) 21 (b) 24 (c) 6 (d) 3
  15. 15.4/5 + 1/2 = ? (a) 13/10 (b) 6/5 (c) 7/5 (d) 5/7
  16. 16.2/3 + 1/2 = ? (a) 3/5 (b) 4/3 (c) 1 (d) 7/6
  17. 17.Which fraction is greater: 1/5 or 3/11? (a) They are equal (b) 1/5 (c) 3/11
  18. 18.2/3 + 3/4 = ? (a) 17/12 (b) 5/7 (c) 4/3 (d) 3/2
  19. 19.3/4 + 3/5 = ? (a) 27/20 (b) 7/5 (c) 13/10 (d) 2/3
  20. 20.Which fraction is greater: 7/12 or 1/4? (a) 7/12 (b) 1/4 (c) They are equal
  21. 21.2/5 + 2/5 = ? (a) 3/5 (b) 2/5 (c) 1 (d) 4/5
  22. 22.6/9 + 2/3 = ? (a) 11/9 (b) 13/9 (c) 2/3 (d) 4/3
  23. 23.1/2 + 1/8 = ? (a) 5/8 (b) 3/4 (c) 1/2 (d) 1/5
  24. 24.4/6 + 1/3 = ? (a) 5/9 (b) 5/6 (c) 1 (d) 7/6
  25. 25.What is 2/3 of 12? (a) 12 (b) 8 (c) 9 (d) 4
  26. 26.What is 1/6 of 30? (a) 25 (b) 5 (c) 6 (d) 10
  27. 27.1/3 + 1/2 = ? (a) 2/3 (b) 5/6 (c) 2/5 (d) 1
  28. 28.Which fraction is greater: 2/3 or 9/11? (a) They are equal (b) 2/3 (c) 9/11
  29. 29.What is 2/5 of 40? (a) 24 (b) 8 (c) 17 (d) 16
  30. 30.2/6 + 1/5 = ? (a) 17/30 (b) 3/11 (c) 1/2 (d) 8/15
  31. 31.Which fraction is greater: 7/8 or 1/6? (a) 7/8 (b) They are equal (c) 1/6
  32. 32.What is 2/3 of 15? (a) 11 (b) 15 (c) 10 (d) 5
  33. 33.6/9 + 1/2 = ? (a) 7/11 (b) 10/9 (c) 7/6 (d) 11/9
  34. 34.2/3 + 2/9 = ? (a) 7/9 (b) 1 (c) 8/9 (d) 1/3
  35. 35.Which fraction is greater: 2/5 or 7/11? (a) They are equal (b) 7/11 (c) 2/5
  36. 36.What is 1/7 of 77? (a) 11 (b) 22 (c) 66 (d) 12
  37. 37.Which fraction is greater: 6/11 or 3/7? (a) 3/7 (b) They are equal (c) 6/11
  38. 38.2/3 + 1/7 = ? (a) 17/21 (b) 6/7 (c) 16/21 (d) 3/10
  39. 39.1/3 + 5/7 = ? (a) 1 (b) 23/21 (c) 22/21 (d) 3/5
  40. 40.Which fraction is greater: 1/9 or 2/5? (a) 1/9 (b) They are equal (c) 2/5

Answer key

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

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