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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 358 · 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 5/8 of 32? (a) 4 (b) 12 (c) 20 (d) 24
  2. 2.What is 2/5 of 55? (a) 22 (b) 11 (c) 33 (d) 23
  3. 3.What is 5/9 of 90? (a) 10 (b) 60 (c) 50 (d) 40
  4. 4.Which fraction is greater: 1/3 or 5/8? (a) 5/8 (b) They are equal (c) 1/3
  5. 5.7/9 + 1/4 = ? (a) 19/18 (b) 37/36 (c) 1 (d) 8/13
  6. 6.What is 3/5 of 55? (a) 11 (b) 44 (c) 22 (d) 33
  7. 7.Which fraction is greater: 5/7 or 10/11? (a) They are equal (b) 10/11 (c) 5/7
  8. 8.Which fraction is greater: 1/3 or 5/7? (a) 1/3 (b) They are equal (c) 5/7
  9. 9.1/7 + 1/5 = ? (a) 11/35 (b) 1/6 (c) 13/35 (d) 12/35
  10. 10.2/7 + 3/4 = ? (a) 1 (b) 29/28 (c) 5/11 (d) 15/14
  11. 11.What is 1/3 of 6? (a) 3 (b) 2 (c) 4 (d) 1
  12. 12.Which fraction is greater: 1/8 or 4/7? (a) They are equal (b) 1/8 (c) 4/7
  13. 13.1/5 + 5/6 = ? (a) 6/11 (b) 16/15 (c) 31/30 (d) 1
  14. 14.3/4 + 1/2 = ? (a) 3/2 (b) 2/3 (c) 1 (d) 5/4
  15. 15.Which fraction is greater: 5/6 or 7/10? (a) 7/10 (b) They are equal (c) 5/6
  16. 16.What is 5/6 of 18? (a) 18 (b) 16 (c) 15 (d) 3
  17. 17.Which fraction is greater: 2/9 or 6/7? (a) 2/9 (b) They are equal (c) 6/7
  18. 18.Which fraction is greater: 3/5 or 8/11? (a) They are equal (b) 8/11 (c) 3/5
  19. 19.2/6 + 1/3 = ? (a) 2/3 (b) 1/3 (c) 5/6 (d) 1/2
  20. 20.6/8 + 2/6 = ? (a) 4/7 (b) 9/8 (c) 25/24 (d) 13/12
  21. 21.What is 2/9 of 45? (a) 15 (b) 35 (c) 10 (d) 5
  22. 22.3/7 + 3/7 = ? (a) 1 (b) 3/7 (c) 6/7 (d) 5/7
  23. 23.1/2 + 1/2 = ? (a) 3/2 (b) 1 (c) 1/2 (d) 2
  24. 24.1/2 + 2/8 = ? (a) 7/8 (b) 3/4 (c) 5/8 (d) 3/10
  25. 25.1/2 + 6/9 = ? (a) 7/11 (b) 11/9 (c) 10/9 (d) 7/6
  26. 26.Which fraction is greater: 1/10 or 1/6? (a) 1/10 (b) They are equal (c) 1/6
  27. 27.What is 4/5 of 50? (a) 10 (b) 41 (c) 40 (d) 50
  28. 28.Which fraction is greater: 4/7 or 5/6? (a) 4/7 (b) 5/6 (c) They are equal
  29. 29.Which fraction is greater: 4/11 or 6/7? (a) 4/11 (b) They are equal (c) 6/7
  30. 30.What is 1/9 of 18? (a) 16 (b) 4 (c) 2 (d) 3
  31. 31.1/7 + 1/2 = ? (a) 2/9 (b) 5/7 (c) 9/14 (d) 4/7
  32. 32.What is 4/5 of 35? (a) 35 (b) 29 (c) 7 (d) 28
  33. 33.What is 1/2 of 16? (a) 16 (b) 7 (c) 8 (d) 9
  34. 34.Which fraction is greater: 8/9 or 3/4? (a) They are equal (b) 8/9 (c) 3/4
  35. 35.What is 1/3 of 27? (a) 8 (b) 10 (c) 18 (d) 9
  36. 36.Which fraction is greater: 3/4 or 5/12? (a) They are equal (b) 3/4 (c) 5/12
  37. 37.Which fraction is greater: 8/9 or 2/7? (a) They are equal (b) 8/9 (c) 2/7
  38. 38.Which fraction is greater: 8/11 or 8/9? (a) 8/11 (b) 8/9 (c) They are equal
  39. 39.4/9 + 1/2 = ? (a) 5/11 (b) 8/9 (c) 17/18 (d) 1
  40. 40.What is 1/2 of 8? (a) 5 (b) 8 (c) 3 (d) 4

Answer key

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

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