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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 399 · 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: 1/6 or 5/7? (a) 1/6 (b) They are equal (c) 5/7
  2. 2.5/6 + 6/8 = ? (a) 19/12 (b) 13/8 (c) 11/14 (d) 37/24
  3. 3.Which fraction is greater: 3/4 or 4/11? (a) They are equal (b) 4/11 (c) 3/4
  4. 4.Which fraction is greater: 5/9 or 2/3? (a) They are equal (b) 5/9 (c) 2/3
  5. 5.1/2 + 5/6 = ? (a) 3/4 (b) 7/6 (c) 4/3 (d) 3/2
  6. 6.Which fraction is greater: 1/4 or 11/12? (a) 11/12 (b) They are equal (c) 1/4
  7. 7.6/8 + 2/6 = ? (a) 25/24 (b) 9/8 (c) 4/7 (d) 13/12
  8. 8.What is 1/8 of 16? (a) 14 (b) 4 (c) 3 (d) 2
  9. 9.Which fraction is greater: 1/5 or 6/11? (a) 1/5 (b) They are equal (c) 6/11
  10. 10.What is 4/9 of 45? (a) 25 (b) 21 (c) 5 (d) 20
  11. 11.1/4 + 1/2 = ? (a) 1 (b) 1/2 (c) 1/3 (d) 3/4
  12. 12.Which fraction is greater: 5/9 or 1/4? (a) They are equal (b) 5/9 (c) 1/4
  13. 13.Which fraction is greater: 3/4 or 1/6? (a) They are equal (b) 1/6 (c) 3/4
  14. 14.What is 1/4 of 36? (a) 18 (b) 10 (c) 9 (d) 27
  15. 15.What is 4/9 of 18? (a) 2 (b) 10 (c) 8 (d) 9
  16. 16.What is 4/7 of 84? (a) 60 (b) 36 (c) 48 (d) 12
  17. 17.Which fraction is greater: 1/8 or 6/11? (a) They are equal (b) 6/11 (c) 1/8
  18. 18.Which fraction is greater: 1/5 or 3/4? (a) They are equal (b) 3/4 (c) 1/5
  19. 19.1/3 + 1/3 = ? (a) 1/3 (b) 1 (c) 4/3 (d) 2/3
  20. 20.1/3 + 6/8 = ? (a) 9/8 (b) 25/24 (c) 7/11 (d) 13/12
  21. 21.Which fraction is greater: 7/11 or 1/3? (a) They are equal (b) 1/3 (c) 7/11
  22. 22.8/9 + 1/2 = ? (a) 25/18 (b) 4/3 (c) 9/11 (d) 13/9
  23. 23.Which fraction is greater: 2/5 or 1/3? (a) 2/5 (b) 1/3 (c) They are equal
  24. 24.Which fraction is greater: 1/4 or 1/9? (a) 1/4 (b) 1/9 (c) They are equal
  25. 25.What is 1/2 of 18? (a) 9 (b) 10 (c) 18 (d) 8
  26. 26.Which fraction is greater: 3/5 or 9/11? (a) 3/5 (b) 9/11 (c) They are equal
  27. 27.What is 1/3 of 30? (a) 10 (b) 9 (c) 11 (d) 20
  28. 28.What is 2/9 of 108? (a) 84 (b) 24 (c) 36 (d) 12
  29. 29.What is 5/9 of 99? (a) 66 (b) 11 (c) 55 (d) 44
  30. 30.1/2 + 1/5 = ? (a) 7/10 (b) 2/7 (c) 3/5 (d) 4/5
  31. 31.2/4 + 2/6 = ? (a) 3/4 (b) 5/6 (c) 2/5 (d) 11/12
  32. 32.What is 4/9 of 27? (a) 13 (b) 12 (c) 3 (d) 15
  33. 33.Which fraction is greater: 1/8 or 4/7? (a) 1/8 (b) 4/7 (c) They are equal
  34. 34.Which fraction is greater: 3/7 or 1/11? (a) 3/7 (b) 1/11 (c) They are equal
  35. 35.Which fraction is greater: 1/3 or 3/4? (a) They are equal (b) 3/4 (c) 1/3
  36. 36.Which fraction is greater: 3/8 or 1/5? (a) 3/8 (b) 1/5 (c) They are equal
  37. 37.What is 4/5 of 50? (a) 10 (b) 50 (c) 41 (d) 40
  38. 38.1/7 + 1/2 = ? (a) 5/7 (b) 2/9 (c) 4/7 (d) 9/14
  39. 39.2/3 + 1/2 = ? (a) 1 (b) 3/5 (c) 4/3 (d) 7/6
  40. 40.Which fraction is greater: 4/5 or 5/7? (a) 5/7 (b) They are equal (c) 4/5

Answer key

  1. 5/7
  2. 19/12
  3. 3/4
  4. 2/3
  5. 4/3
  6. 11/12
  7. 13/12
  8. 2
  9. 6/11
  10. 20
  11. 3/4
  12. 5/9
  13. 3/4
  14. 9
  15. 8
  16. 48
  17. 6/11
  18. 3/4
  19. 2/3
  20. 13/12
  21. 7/11
  22. 25/18
  23. 2/5
  24. 1/4
  25. 9
  26. 9/11
  27. 10
  28. 24
  29. 55
  30. 7/10
  31. 5/6
  32. 12
  33. 4/7
  34. 3/7
  35. 3/4
  36. 3/8
  37. 40
  38. 9/14
  39. 7/6
  40. 4/5

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