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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 913 · 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. 1.3/9 + 1/3 = ? (a) 7/9 (b) 2/3 (c) 5/9 (d) 1/3
  2. 2.What is 1/4 of 32? (a) 16 (b) 9 (c) 24 (d) 8
  3. 3.Which fraction is greater: 9/11 or 1/9? (a) 9/11 (b) 1/9 (c) They are equal
  4. 4.What is 8/9 of 18? (a) 2 (b) 18 (c) 16 (d) 17
  5. 5.Which fraction is greater: 7/11 or 1/3? (a) They are equal (b) 1/3 (c) 7/11
  6. 6.Which fraction is greater: 4/9 or 1/4? (a) They are equal (b) 1/4 (c) 4/9
  7. 7.What is 2/3 of 12? (a) 8 (b) 12 (c) 4 (d) 9
  8. 8.4/5 + 2/5 = ? (a) 1 (b) 7/5 (c) 3/5 (d) 6/5
  9. 9.What is 5/8 of 24? (a) 15 (b) 9 (c) 18 (d) 3
  10. 10.What is 1/2 of 8? (a) 4 (b) 5 (c) 3 (d) 8
  11. 11.Which fraction is greater: 3/5 or 7/11? (a) 7/11 (b) They are equal (c) 3/5
  12. 12.3/4 + 6/7 = ? (a) 9/11 (b) 45/28 (c) 11/7 (d) 23/14
  13. 13.Which fraction is greater: 9/11 or 3/10? (a) 9/11 (b) 3/10 (c) They are equal
  14. 14.Which fraction is greater: 7/11 or 2/9? (a) They are equal (b) 7/11 (c) 2/9
  15. 15.What is 5/9 of 18? (a) 8 (b) 2 (c) 10 (d) 12
  16. 16.Which fraction is greater: 1/9 or 2/3? (a) 2/3 (b) They are equal (c) 1/9
  17. 17.Which fraction is greater: 4/5 or 1/9? (a) 1/9 (b) 4/5 (c) They are equal
  18. 18.Which fraction is greater: 1/7 or 2/3? (a) 1/7 (b) 2/3 (c) They are equal
  19. 19.What is 1/2 of 18? (a) 10 (b) 18 (c) 8 (d) 9
  20. 20.2/6 + 1/3 = ? (a) 2/3 (b) 1/2 (c) 5/6 (d) 1/3
  21. 21.Which fraction is greater: 2/11 or 5/7? (a) 2/11 (b) They are equal (c) 5/7
  22. 22.Which fraction is greater: 2/3 or 3/4? (a) They are equal (b) 3/4 (c) 2/3
  23. 23.What is 1/3 of 18? (a) 12 (b) 7 (c) 5 (d) 6
  24. 24.Which fraction is greater: 7/12 or 1/10? (a) 1/10 (b) They are equal (c) 7/12
  25. 25.What is 3/4 of 40? (a) 31 (b) 40 (c) 30 (d) 10
  26. 26.8/9 + 1/6 = ? (a) 1 (b) 3/5 (c) 19/18 (d) 10/9
  27. 27.Which fraction is greater: 9/10 or 2/3? (a) They are equal (b) 2/3 (c) 9/10
  28. 28.What is 5/6 of 18? (a) 16 (b) 18 (c) 3 (d) 15
  29. 29.4/6 + 2/3 = ? (a) 3/2 (b) 2/3 (c) 7/6 (d) 4/3
  30. 30.1/3 + 2/4 = ? (a) 3/7 (b) 11/12 (c) 3/4 (d) 5/6
  31. 31.2/3 + 7/9 = ? (a) 4/3 (b) 3/4 (c) 14/9 (d) 13/9
  32. 32.Which fraction is greater: 4/7 or 2/3? (a) They are equal (b) 2/3 (c) 4/7
  33. 33.2/3 + 2/8 = ? (a) 4/11 (b) 11/12 (c) 7/8 (d) 23/24
  34. 34.5/7 + 1/7 = ? (a) 5/7 (b) 1 (c) 6/7 (d) 3/7
  35. 35.Which fraction is greater: 3/4 or 1/5? (a) They are equal (b) 1/5 (c) 3/4
  36. 36.Which fraction is greater: 3/8 or 1/6? (a) 3/8 (b) They are equal (c) 1/6
  37. 37.Which fraction is greater: 4/5 or 1/4? (a) 1/4 (b) They are equal (c) 4/5
  38. 38.Which fraction is greater: 1/7 or 2/9? (a) 1/7 (b) They are equal (c) 2/9
  39. 39.7/9 + 4/9 = ? (a) 11/18 (b) 11/9 (c) 4/3 (d) 10/9
  40. 40.What is 5/8 of 64? (a) 24 (b) 48 (c) 40 (d) 8

Answer key

  1. 2/3
  2. 8
  3. 9/11
  4. 16
  5. 7/11
  6. 4/9
  7. 8
  8. 6/5
  9. 15
  10. 4
  11. 7/11
  12. 45/28
  13. 9/11
  14. 7/11
  15. 10
  16. 2/3
  17. 4/5
  18. 2/3
  19. 9
  20. 2/3
  21. 5/7
  22. 3/4
  23. 6
  24. 7/12
  25. 30
  26. 19/18
  27. 9/10
  28. 15
  29. 4/3
  30. 5/6
  31. 13/9
  32. 2/3
  33. 11/12
  34. 6/7
  35. 3/4
  36. 3/8
  37. 4/5
  38. 2/9
  39. 11/9
  40. 40

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