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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 542 · 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: 3/8 or 6/11? (a) 3/8 (b) They are equal (c) 6/11
  2. 2.Which fraction is greater: 1/3 or 5/6? (a) 5/6 (b) They are equal (c) 1/3
  3. 3.Which fraction is greater: 9/11 or 6/7? (a) They are equal (b) 6/7 (c) 9/11
  4. 4.What is 5/7 of 77? (a) 22 (b) 11 (c) 66 (d) 55
  5. 5.1/3 + 5/9 = ? (a) 1 (b) 7/9 (c) 1/2 (d) 8/9
  6. 6.What is 1/2 of 20? (a) 9 (b) 10 (c) 11 (d) 20
  7. 7.Which fraction is greater: 6/7 or 4/5? (a) 6/7 (b) They are equal (c) 4/5
  8. 8.6/7 + 1/2 = ? (a) 7/9 (b) 10/7 (c) 9/7 (d) 19/14
  9. 9.Which fraction is greater: 3/7 or 1/8? (a) 3/7 (b) They are equal (c) 1/8
  10. 10.What is 5/6 of 48? (a) 8 (b) 48 (c) 40 (d) 41
  11. 11.Which fraction is greater: 10/11 or 1/7? (a) 10/11 (b) They are equal (c) 1/7
  12. 12.What is 1/4 of 12? (a) 6 (b) 9 (c) 4 (d) 3
  13. 13.3/5 + 1/6 = ? (a) 23/30 (b) 11/15 (c) 4/5 (d) 4/11
  14. 14.1/3 + 1/2 = ? (a) 1 (b) 2/5 (c) 5/6 (d) 2/3
  15. 15.What is 1/7 of 70? (a) 60 (b) 11 (c) 20 (d) 10
  16. 16.Which fraction is greater: 5/6 or 7/8? (a) 7/8 (b) 5/6 (c) They are equal
  17. 17.2/5 + 5/7 = ? (a) 38/35 (b) 39/35 (c) 7/12 (d) 8/7
  18. 18.Which fraction is greater: 5/6 or 4/11? (a) 4/11 (b) 5/6 (c) They are equal
  19. 19.What is 1/7 of 42? (a) 36 (b) 12 (c) 6 (d) 7
  20. 20.Which fraction is greater: 5/11 or 2/5? (a) 5/11 (b) They are equal (c) 2/5
  21. 21.What is 4/9 of 18? (a) 9 (b) 10 (c) 8 (d) 2
  22. 22.Which fraction is greater: 4/7 or 1/9? (a) They are equal (b) 4/7 (c) 1/9
  23. 23.What is 1/2 of 12? (a) 6 (b) 5 (c) 12 (d) 7
  24. 24.Which fraction is greater: 1/11 or 1/3? (a) 1/11 (b) 1/3 (c) They are equal
  25. 25.Which fraction is greater: 1/9 or 6/7? (a) They are equal (b) 1/9 (c) 6/7
  26. 26.What is 4/5 of 20? (a) 17 (b) 16 (c) 20 (d) 4
  27. 27.1/3 + 3/9 = ? (a) 1/3 (b) 5/9 (c) 7/9 (d) 2/3
  28. 28.What is 1/3 of 9? (a) 2 (b) 3 (c) 4 (d) 6
  29. 29.3/4 + 5/6 = ? (a) 19/12 (b) 4/5 (c) 5/3 (d) 3/2
  30. 30.Which fraction is greater: 4/7 or 1/8? (a) They are equal (b) 4/7 (c) 1/8
  31. 31.2/3 + 1/2 = ? (a) 4/3 (b) 1 (c) 3/5 (d) 7/6
  32. 32.1/2 + 1/7 = ? (a) 9/14 (b) 5/7 (c) 2/9 (d) 4/7
  33. 33.What is 2/3 of 24? (a) 8 (b) 17 (c) 24 (d) 16
  34. 34.Which fraction is greater: 1/6 or 1/3? (a) 1/6 (b) 1/3 (c) They are equal
  35. 35.What is 4/7 of 77? (a) 44 (b) 55 (c) 33 (d) 11
  36. 36.What is 5/9 of 63? (a) 28 (b) 35 (c) 42 (d) 7
  37. 37.4/8 + 2/8 = ? (a) 3/4 (b) 5/8 (c) 3/8 (d) 7/8
  38. 38.4/5 + 3/6 = ? (a) 13/10 (b) 7/11 (c) 19/15 (d) 4/3
  39. 39.What is 2/3 of 15? (a) 15 (b) 5 (c) 10 (d) 11
  40. 40.What is 4/5 of 15? (a) 15 (b) 3 (c) 13 (d) 12

Answer key

  1. 6/11
  2. 5/6
  3. 6/7
  4. 55
  5. 8/9
  6. 10
  7. 6/7
  8. 19/14
  9. 3/7
  10. 40
  11. 10/11
  12. 3
  13. 23/30
  14. 5/6
  15. 10
  16. 7/8
  17. 39/35
  18. 5/6
  19. 6
  20. 5/11
  21. 8
  22. 4/7
  23. 6
  24. 1/3
  25. 6/7
  26. 16
  27. 2/3
  28. 3
  29. 19/12
  30. 4/7
  31. 7/6
  32. 9/14
  33. 16
  34. 1/3
  35. 44
  36. 35
  37. 3/4
  38. 13/10
  39. 10
  40. 12

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