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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 981 · 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: 1/5 or 3/4? (a) They are equal (b) 3/4 (c) 1/5
  2. 2.Which fraction is greater: 1/12 or 1/11? (a) 1/12 (b) 1/11 (c) They are equal
  3. 3.What is 2/9 of 54? (a) 12 (b) 42 (c) 6 (d) 18
  4. 4.What is 4/7 of 21? (a) 15 (b) 12 (c) 3 (d) 9
  5. 5.What is 3/4 of 48? (a) 37 (b) 12 (c) 48 (d) 36
  6. 6.2/3 + 3/9 = ? (a) 5/12 (b) 8/9 (c) 1 (d) 10/9
  7. 7.What is 1/2 of 12? (a) 6 (b) 7 (c) 12 (d) 5
  8. 8.Which fraction is greater: 3/5 or 5/6? (a) 3/5 (b) 5/6 (c) They are equal
  9. 9.Which fraction is greater: 2/3 or 7/9? (a) 7/9 (b) 2/3 (c) They are equal
  10. 10.What is 4/7 of 42? (a) 18 (b) 24 (c) 30 (d) 6
  11. 11.What is 1/9 of 27? (a) 24 (b) 3 (c) 6 (d) 4
  12. 12.1/3 + 1/2 = ? (a) 2/5 (b) 1 (c) 2/3 (d) 5/6
  13. 13.Which fraction is greater: 6/11 or 3/8? (a) 6/11 (b) 3/8 (c) They are equal
  14. 14.2/6 + 5/9 = ? (a) 7/15 (b) 8/9 (c) 5/6 (d) 17/18
  15. 15.1/9 + 1/6 = ? (a) 5/18 (b) 2/9 (c) 2/15 (d) 1/3
  16. 16.What is 4/7 of 49? (a) 35 (b) 7 (c) 28 (d) 21
  17. 17.Which fraction is greater: 1/7 or 1/4? (a) 1/4 (b) 1/7 (c) They are equal
  18. 18.3/4 + 4/9 = ? (a) 11/9 (b) 43/36 (c) 7/13 (d) 7/6
  19. 19.What is 3/5 of 30? (a) 24 (b) 18 (c) 12 (d) 6
  20. 20.6/7 + 4/5 = ? (a) 59/35 (b) 58/35 (c) 5/6 (d) 57/35
  21. 21.8/9 + 1/2 = ? (a) 13/9 (b) 25/18 (c) 9/11 (d) 4/3
  22. 22.Which fraction is greater: 7/9 or 2/7? (a) They are equal (b) 7/9 (c) 2/7
  23. 23.What is 4/7 of 35? (a) 5 (b) 20 (c) 25 (d) 15
  24. 24.What is 1/4 of 40? (a) 11 (b) 30 (c) 20 (d) 10
  25. 25.3/4 + 6/9 = ? (a) 9/13 (b) 25/18 (c) 17/12 (d) 13/9
  26. 26.Which fraction is greater: 3/5 or 7/10? (a) They are equal (b) 7/10 (c) 3/5
  27. 27.What is 3/7 of 63? (a) 28 (b) 9 (c) 36 (d) 27
  28. 28.2/6 + 2/6 = ? (a) 1/3 (b) 2/3 (c) 5/6 (d) 1/2
  29. 29.What is 2/3 of 36? (a) 24 (b) 25 (c) 12 (d) 36
  30. 30.Which fraction is greater: 3/5 or 1/11? (a) They are equal (b) 3/5 (c) 1/11
  31. 31.1/3 + 5/7 = ? (a) 22/21 (b) 1 (c) 3/5 (d) 23/21
  32. 32.Which fraction is greater: 1/5 or 3/11? (a) 1/5 (b) They are equal (c) 3/11
  33. 33.1/4 + 5/9 = ? (a) 6/13 (b) 7/9 (c) 29/36 (d) 5/6
  34. 34.1/2 + 7/9 = ? (a) 11/9 (b) 4/3 (c) 8/11 (d) 23/18
  35. 35.3/8 + 2/6 = ? (a) 3/4 (b) 17/24 (c) 2/3 (d) 5/14
  36. 36.Which fraction is greater: 2/3 or 8/9? (a) They are equal (b) 2/3 (c) 8/9
  37. 37.Which fraction is greater: 2/7 or 3/4? (a) 3/4 (b) They are equal (c) 2/7
  38. 38.Which fraction is greater: 1/5 or 1/9? (a) 1/9 (b) 1/5 (c) They are equal
  39. 39.6/9 + 1/3 = ? (a) 1 (b) 10/9 (c) 8/9 (d) 7/12
  40. 40.Which fraction is greater: 2/3 or 2/11? (a) 2/11 (b) They are equal (c) 2/3

Answer key

  1. 3/4
  2. 1/11
  3. 12
  4. 12
  5. 36
  6. 1
  7. 6
  8. 5/6
  9. 7/9
  10. 24
  11. 3
  12. 5/6
  13. 6/11
  14. 8/9
  15. 5/18
  16. 28
  17. 1/4
  18. 43/36
  19. 18
  20. 58/35
  21. 25/18
  22. 7/9
  23. 20
  24. 10
  25. 17/12
  26. 7/10
  27. 27
  28. 2/3
  29. 24
  30. 3/5
  31. 22/21
  32. 3/11
  33. 29/36
  34. 23/18
  35. 17/24
  36. 8/9
  37. 3/4
  38. 1/5
  39. 1
  40. 2/3

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