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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 8 · 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 1/3 of 18? (a) 5 (b) 6 (c) 12 (d) 7
  2. 2.Which fraction is greater: 7/9 or 3/8? (a) 3/8 (b) 7/9 (c) They are equal
  3. 3.2/4 + 1/5 = ? (a) 7/10 (b) 3/4 (c) 13/20 (d) 1/3
  4. 4.What is 4/9 of 90? (a) 10 (b) 50 (c) 40 (d) 41
  5. 5.1/3 + 3/5 = ? (a) 13/15 (b) 14/15 (c) 1 (d) 1/2
  6. 6.Which fraction is greater: 1/7 or 1/8? (a) 1/8 (b) They are equal (c) 1/7
  7. 7.3/5 + 1/2 = ? (a) 11/10 (b) 1 (c) 6/5 (d) 4/7
  8. 8.Which fraction is greater: 1/7 or 9/11? (a) 1/7 (b) They are equal (c) 9/11
  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: 8/9 or 3/4? (a) They are equal (b) 3/4 (c) 8/9
  11. 11.Which fraction is greater: 3/5 or 2/11? (a) They are equal (b) 2/11 (c) 3/5
  12. 12.1/6 + 1/6 = ? (a) 2/3 (b) 1/6 (c) 1/3 (d) 1/2
  13. 13.Which fraction is greater: 1/3 or 7/10? (a) They are equal (b) 7/10 (c) 1/3
  14. 14.What is 1/2 of 22? (a) 12 (b) 10 (c) 11 (d) 22
  15. 15.Which fraction is greater: 1/8 or 1/4? (a) 1/8 (b) 1/4 (c) They are equal
  16. 16.What is 3/5 of 30? (a) 24 (b) 18 (c) 12 (d) 6
  17. 17.Which fraction is greater: 3/7 or 2/3? (a) 2/3 (b) 3/7 (c) They are equal
  18. 18.What is 1/2 of 18? (a) 18 (b) 9 (c) 8 (d) 10
  19. 19.What is 2/9 of 18? (a) 4 (b) 2 (c) 14 (d) 6
  20. 20.3/4 + 2/6 = ? (a) 1/2 (b) 1 (c) 7/6 (d) 13/12
  21. 21.4/6 + 4/8 = ? (a) 4/7 (b) 29/24 (c) 9/8 (d) 7/6
  22. 22.Which fraction is greater: 1/11 or 1/3? (a) They are equal (b) 1/3 (c) 1/11
  23. 23.What is 1/5 of 55? (a) 11 (b) 44 (c) 12 (d) 22
  24. 24.Which fraction is greater: 1/5 or 2/7? (a) 2/7 (b) 1/5 (c) They are equal
  25. 25.3/4 + 1/2 = ? (a) 3/2 (b) 5/4 (c) 1 (d) 2/3
  26. 26.What is 1/4 of 16? (a) 4 (b) 8 (c) 12 (d) 5
  27. 27.3/7 + 1/7 = ? (a) 2/7 (b) 4/7 (c) 3/7 (d) 5/7
  28. 28.1/5 + 2/5 = ? (a) 2/5 (b) 4/5 (c) 3/5 (d) 3/10
  29. 29.1/3 + 1/2 = ? (a) 5/6 (b) 2/3 (c) 1 (d) 2/5
  30. 30.Which fraction is greater: 7/11 or 3/5? (a) 3/5 (b) They are equal (c) 7/11
  31. 31.Which fraction is greater: 2/7 or 7/9? (a) 7/9 (b) They are equal (c) 2/7
  32. 32.4/9 + 1/2 = ? (a) 17/18 (b) 5/11 (c) 8/9 (d) 1
  33. 33.What is 1/5 of 15? (a) 4 (b) 6 (c) 12 (d) 3
  34. 34.Which fraction is greater: 2/5 or 1/4? (a) They are equal (b) 1/4 (c) 2/5
  35. 35.3/7 + 2/5 = ? (a) 29/35 (b) 4/5 (c) 5/12 (d) 6/7
  36. 36.What is 1/9 of 81? (a) 18 (b) 10 (c) 9 (d) 72
  37. 37.8/9 + 2/6 = ? (a) 7/6 (b) 23/18 (c) 2/3 (d) 11/9
  38. 38.Which fraction is greater: 5/6 or 1/4? (a) They are equal (b) 1/4 (c) 5/6
  39. 39.2/3 + 1/2 = ? (a) 3/5 (b) 1 (c) 4/3 (d) 7/6
  40. 40.1/7 + 1/4 = ? (a) 5/14 (b) 3/7 (c) 11/28 (d) 2/11

Answer key

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

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