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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 801 · 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: 1/3 or 7/9? (a) 1/3 (b) 7/9 (c) They are equal
  2. 2.Which fraction is greater: 11/12 or 1/5? (a) 11/12 (b) 1/5 (c) They are equal
  3. 3.What is 1/3 of 36? (a) 11 (b) 13 (c) 24 (d) 12
  4. 4.Which fraction is greater: 2/3 or 7/10? (a) 2/3 (b) 7/10 (c) They are equal
  5. 5.What is 1/2 of 8? (a) 3 (b) 4 (c) 8 (d) 5
  6. 6.Which fraction is greater: 1/3 or 5/7? (a) 1/3 (b) They are equal (c) 5/7
  7. 7.1/2 + 1/5 = ? (a) 7/10 (b) 3/5 (c) 2/7 (d) 4/5
  8. 8.Which fraction is greater: 1/4 or 8/11? (a) 1/4 (b) They are equal (c) 8/11
  9. 9.4/9 + 1/3 = ? (a) 5/12 (b) 2/3 (c) 7/9 (d) 8/9
  10. 10.What is 1/2 of 18? (a) 8 (b) 18 (c) 10 (d) 9
  11. 11.What is 2/7 of 77? (a) 55 (b) 22 (c) 33 (d) 11
  12. 12.Which fraction is greater: 1/3 or 5/12? (a) 5/12 (b) 1/3 (c) They are equal
  13. 13.Which fraction is greater: 3/5 or 3/7? (a) 3/5 (b) They are equal (c) 3/7
  14. 14.Which fraction is greater: 1/6 or 1/5? (a) They are equal (b) 1/6 (c) 1/5
  15. 15.Which fraction is greater: 5/12 or 1/3? (a) 5/12 (b) 1/3 (c) They are equal
  16. 16.What is 1/2 of 16? (a) 9 (b) 8 (c) 16 (d) 7
  17. 17.What is 2/3 of 21? (a) 21 (b) 15 (c) 14 (d) 7
  18. 18.1/3 + 1/2 = ? (a) 5/6 (b) 2/5 (c) 1 (d) 2/3
  19. 19.What is 4/7 of 77? (a) 55 (b) 33 (c) 11 (d) 44
  20. 20.1/2 + 1/3 = ? (a) 5/6 (b) 2/3 (c) 1 (d) 2/5
  21. 21.Which fraction is greater: 1/7 or 1/8? (a) 1/8 (b) They are equal (c) 1/7
  22. 22.Which fraction is greater: 1/10 or 2/5? (a) 1/10 (b) 2/5 (c) They are equal
  23. 23.What is 5/6 of 66? (a) 56 (b) 55 (c) 11 (d) 66
  24. 24.Which fraction is greater: 3/5 or 1/7? (a) 1/7 (b) They are equal (c) 3/5
  25. 25.What is 2/5 of 30? (a) 6 (b) 18 (c) 12 (d) 13
  26. 26.Which fraction is greater: 8/9 or 3/10? (a) They are equal (b) 8/9 (c) 3/10
  27. 27.2/7 + 6/7 = ? (a) 4/7 (b) 8/7 (c) 9/7 (d) 1
  28. 28.3/4 + 1/2 = ? (a) 3/2 (b) 2/3 (c) 5/4 (d) 1
  29. 29.Which fraction is greater: 1/8 or 2/9? (a) 2/9 (b) 1/8 (c) They are equal
  30. 30.What is 1/4 of 28? (a) 14 (b) 7 (c) 8 (d) 21
  31. 31.Which fraction is greater: 5/6 or 7/9? (a) 5/6 (b) 7/9 (c) They are equal
  32. 32.2/8 + 2/3 = ? (a) 7/8 (b) 4/11 (c) 23/24 (d) 11/12
  33. 33.1/8 + 1/2 = ? (a) 1/2 (b) 1/5 (c) 3/4 (d) 5/8
  34. 34.4/5 + 1/2 = ? (a) 7/5 (b) 6/5 (c) 5/7 (d) 13/10
  35. 35.What is 1/8 of 24? (a) 21 (b) 3 (c) 4 (d) 6
  36. 36.Which fraction is greater: 7/11 or 1/8? (a) They are equal (b) 1/8 (c) 7/11
  37. 37.4/5 + 4/5 = ? (a) 4/5 (b) 9/5 (c) 7/5 (d) 8/5
  38. 38.Which fraction is greater: 5/6 or 5/9? (a) They are equal (b) 5/6 (c) 5/9
  39. 39.What is 2/7 of 42? (a) 6 (b) 12 (c) 30 (d) 18
  40. 40.2/3 + 1/5 = ? (a) 4/5 (b) 3/8 (c) 14/15 (d) 13/15

Answer key

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

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