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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 70 · 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 3/4 of 28? (a) 7 (b) 22 (c) 28 (d) 21
  2. 2.Which fraction is greater: 1/3 or 1/5? (a) 1/3 (b) 1/5 (c) They are equal
  3. 3.1/2 + 1/9 = ? (a) 2/3 (b) 2/11 (c) 5/9 (d) 11/18
  4. 4.1/4 + 2/6 = ? (a) 7/12 (b) 3/10 (c) 1/2 (d) 2/3
  5. 5.7/9 + 3/9 = ? (a) 5/9 (b) 11/9 (c) 10/9 (d) 1
  6. 6.1/2 + 1/6 = ? (a) 2/3 (b) 1/4 (c) 1/2 (d) 5/6
  7. 7.Which fraction is greater: 1/4 or 4/5? (a) They are equal (b) 1/4 (c) 4/5
  8. 8.Which fraction is greater: 2/5 or 1/9? (a) 1/9 (b) 2/5 (c) They are equal
  9. 9.Which fraction is greater: 8/11 or 2/5? (a) 8/11 (b) They are equal (c) 2/5
  10. 10.Which fraction is greater: 1/4 or 7/9? (a) They are equal (b) 1/4 (c) 7/9
  11. 11.5/6 + 4/5 = ? (a) 8/5 (b) 5/3 (c) 9/11 (d) 49/30
  12. 12.What is 4/5 of 35? (a) 29 (b) 7 (c) 28 (d) 35
  13. 13.1/2 + 2/3 = ? (a) 4/3 (b) 1 (c) 3/5 (d) 7/6
  14. 14.Which fraction is greater: 1/3 or 6/11? (a) They are equal (b) 6/11 (c) 1/3
  15. 15.4/8 + 1/4 = ? (a) 3/4 (b) 5/12 (c) 5/8 (d) 7/8
  16. 16.4/5 + 1/2 = ? (a) 6/5 (b) 13/10 (c) 5/7 (d) 7/5
  17. 17.Which fraction is greater: 5/7 or 4/5? (a) They are equal (b) 4/5 (c) 5/7
  18. 18.Which fraction is greater: 2/7 or 7/11? (a) 2/7 (b) They are equal (c) 7/11
  19. 19.What is 3/4 of 32? (a) 8 (b) 25 (c) 32 (d) 24
  20. 20.What is 4/5 of 50? (a) 40 (b) 50 (c) 10 (d) 41
  21. 21.Which fraction is greater: 3/5 or 8/11? (a) 3/5 (b) They are equal (c) 8/11
  22. 22.What is 1/3 of 21? (a) 7 (b) 8 (c) 14 (d) 6
  23. 23.Which fraction is greater: 3/5 or 1/11? (a) They are equal (b) 1/11 (c) 3/5
  24. 24.Which fraction is greater: 2/3 or 1/8? (a) 1/8 (b) 2/3 (c) They are equal
  25. 25.What is 7/9 of 72? (a) 16 (b) 64 (c) 8 (d) 56
  26. 26.What is 2/7 of 77? (a) 22 (b) 33 (c) 11 (d) 55
  27. 27.What is 4/7 of 42? (a) 30 (b) 18 (c) 24 (d) 6
  28. 28.Which fraction is greater: 3/5 or 3/4? (a) They are equal (b) 3/5 (c) 3/4
  29. 29.2/4 + 3/6 = ? (a) 13/12 (b) 11/12 (c) 1 (d) 1/2
  30. 30.Which fraction is greater: 7/8 or 5/7? (a) 5/7 (b) 7/8 (c) They are equal
  31. 31.1/2 + 4/6 = ? (a) 5/8 (b) 1 (c) 4/3 (d) 7/6
  32. 32.1/2 + 5/6 = ? (a) 3/4 (b) 3/2 (c) 7/6 (d) 4/3
  33. 33.4/5 + 2/4 = ? (a) 5/4 (b) 13/10 (c) 27/20 (d) 2/3
  34. 34.What is 1/2 of 12? (a) 5 (b) 6 (c) 12 (d) 7
  35. 35.1/3 + 3/6 = ? (a) 2/3 (b) 5/6 (c) 1 (d) 4/9
  36. 36.7/9 + 1/2 = ? (a) 8/11 (b) 4/3 (c) 11/9 (d) 23/18
  37. 37.1/3 + 4/5 = ? (a) 5/8 (b) 16/15 (c) 6/5 (d) 17/15
  38. 38.1/8 + 1/4 = ? (a) 1/2 (b) 1/6 (c) 3/8 (d) 1/4
  39. 39.1/3 + 1/5 = ? (a) 1/4 (b) 7/15 (c) 3/5 (d) 8/15
  40. 40.Which fraction is greater: 1/7 or 7/8? (a) 7/8 (b) 1/7 (c) They are equal

Answer key

  1. 21
  2. 1/3
  3. 11/18
  4. 7/12
  5. 10/9
  6. 2/3
  7. 4/5
  8. 2/5
  9. 8/11
  10. 7/9
  11. 49/30
  12. 28
  13. 7/6
  14. 6/11
  15. 3/4
  16. 13/10
  17. 4/5
  18. 7/11
  19. 24
  20. 40
  21. 8/11
  22. 7
  23. 3/5
  24. 2/3
  25. 56
  26. 22
  27. 24
  28. 3/4
  29. 1
  30. 7/8
  31. 7/6
  32. 4/3
  33. 13/10
  34. 6
  35. 5/6
  36. 23/18
  37. 17/15
  38. 3/8
  39. 8/15
  40. 7/8

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