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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 812 · 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.What is 4/5 of 45? (a) 36 (b) 45 (c) 37 (d) 9
  2. 2.What is 5/9 of 45? (a) 30 (b) 5 (c) 25 (d) 20
  3. 3.Which fraction is greater: 3/8 or 9/11? (a) 3/8 (b) They are equal (c) 9/11
  4. 4.4/6 + 4/9 = ? (a) 8/15 (b) 10/9 (c) 7/6 (d) 19/18
  5. 5.1/6 + 3/5 = ? (a) 4/11 (b) 11/15 (c) 23/30 (d) 4/5
  6. 6.Which fraction is greater: 4/9 or 2/5? (a) 2/5 (b) They are equal (c) 4/9
  7. 7.Which fraction is greater: 3/4 or 1/7? (a) They are equal (b) 3/4 (c) 1/7
  8. 8.What is 1/3 of 24? (a) 9 (b) 8 (c) 7 (d) 16
  9. 9.Which fraction is greater: 1/5 or 5/12? (a) 1/5 (b) 5/12 (c) They are equal
  10. 10.Which fraction is greater: 3/4 or 9/11? (a) 9/11 (b) They are equal (c) 3/4
  11. 11.3/8 + 2/6 = ? (a) 2/3 (b) 3/4 (c) 5/14 (d) 17/24
  12. 12.1/4 + 1/2 = ? (a) 1 (b) 3/4 (c) 1/2 (d) 1/3
  13. 13.What is 8/9 of 18? (a) 2 (b) 17 (c) 16 (d) 18
  14. 14.What is 2/5 of 15? (a) 9 (b) 7 (c) 6 (d) 3
  15. 15.Which fraction is greater: 8/9 or 5/6? (a) 8/9 (b) 5/6 (c) They are equal
  16. 16.Which fraction is greater: 3/7 or 1/5? (a) They are equal (b) 1/5 (c) 3/7
  17. 17.What is 1/3 of 27? (a) 9 (b) 18 (c) 10 (d) 8
  18. 18.What is 1/2 of 22? (a) 12 (b) 22 (c) 11 (d) 10
  19. 19.3/7 + 1/2 = ? (a) 13/14 (b) 4/9 (c) 1 (d) 6/7
  20. 20.Which fraction is greater: 1/3 or 6/7? (a) They are equal (b) 6/7 (c) 1/3
  21. 21.Which fraction is greater: 1/8 or 1/3? (a) 1/3 (b) 1/8 (c) They are equal
  22. 22.Which fraction is greater: 2/3 or 4/9? (a) 2/3 (b) 4/9 (c) They are equal
  23. 23.1/2 + 5/6 = ? (a) 7/6 (b) 3/4 (c) 4/3 (d) 3/2
  24. 24.1/2 + 3/6 = ? (a) 1/2 (b) 7/6 (c) 5/6 (d) 1
  25. 25.Which fraction is greater: 1/11 or 3/5? (a) They are equal (b) 1/11 (c) 3/5
  26. 26.What is 1/6 of 48? (a) 16 (b) 40 (c) 8 (d) 9
  27. 27.What is 1/6 of 12? (a) 2 (b) 4 (c) 3 (d) 10
  28. 28.Which fraction is greater: 6/7 or 3/10? (a) They are equal (b) 6/7 (c) 3/10
  29. 29.Which fraction is greater: 5/9 or 1/4? (a) They are equal (b) 1/4 (c) 5/9
  30. 30.What is 1/4 of 8? (a) 6 (b) 3 (c) 2 (d) 4
  31. 31.Which fraction is greater: 3/7 or 1/3? (a) 3/7 (b) They are equal (c) 1/3
  32. 32.Which fraction is greater: 7/11 or 2/3? (a) 7/11 (b) 2/3 (c) They are equal
  33. 33.Which fraction is greater: 8/9 or 2/3? (a) 2/3 (b) They are equal (c) 8/9
  34. 34.1/3 + 4/6 = ? (a) 1 (b) 5/6 (c) 5/9 (d) 7/6
  35. 35.What is 3/8 of 88? (a) 55 (b) 11 (c) 44 (d) 33
  36. 36.Which fraction is greater: 5/11 or 11/12? (a) They are equal (b) 5/11 (c) 11/12
  37. 37.What is 2/3 of 15? (a) 11 (b) 5 (c) 15 (d) 10
  38. 38.Which fraction is greater: 9/10 or 2/3? (a) They are equal (b) 2/3 (c) 9/10
  39. 39.Which fraction is greater: 3/7 or 3/5? (a) 3/5 (b) They are equal (c) 3/7
  40. 40.What is 1/2 of 16? (a) 16 (b) 8 (c) 7 (d) 9

Answer key

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

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