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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 11 · 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 8/9 of 108? (a) 97 (b) 96 (c) 108 (d) 12
  2. 2.What is 1/2 of 20? (a) 10 (b) 9 (c) 11 (d) 20
  3. 3.What is 1/5 of 40? (a) 32 (b) 8 (c) 9 (d) 16
  4. 4.Which fraction is greater: 7/8 or 1/4? (a) 1/4 (b) 7/8 (c) They are equal
  5. 5.Which fraction is greater: 9/11 or 4/9? (a) They are equal (b) 4/9 (c) 9/11
  6. 6.Which fraction is greater: 2/5 or 4/7? (a) 4/7 (b) They are equal (c) 2/5
  7. 7.Which fraction is greater: 5/9 or 4/7? (a) 5/9 (b) 4/7 (c) They are equal
  8. 8.What is 2/9 of 54? (a) 18 (b) 12 (c) 6 (d) 42
  9. 9.What is 8/9 of 27? (a) 27 (b) 24 (c) 3 (d) 25
  10. 10.What is 1/2 of 4? (a) 4 (b) 3 (c) 2 (d) 1
  11. 11.2/6 + 1/3 = ? (a) 1/3 (b) 5/6 (c) 2/3 (d) 1/2
  12. 12.Which fraction is greater: 7/11 or 1/12? (a) 7/11 (b) 1/12 (c) They are equal
  13. 13.What is 2/5 of 20? (a) 8 (b) 4 (c) 12 (d) 9
  14. 14.Which fraction is greater: 1/11 or 1/4? (a) 1/11 (b) 1/4 (c) They are equal
  15. 15.Which fraction is greater: 1/5 or 9/11? (a) They are equal (b) 9/11 (c) 1/5
  16. 16.3/4 + 1/4 = ? (a) 3/4 (b) 5/4 (c) 1 (d) 1/2
  17. 17.Which fraction is greater: 3/7 or 1/4? (a) They are equal (b) 3/7 (c) 1/4
  18. 18.3/4 + 1/2 = ? (a) 2/3 (b) 3/2 (c) 1 (d) 5/4
  19. 19.Which fraction is greater: 7/9 or 7/12? (a) They are equal (b) 7/9 (c) 7/12
  20. 20.What is 1/2 of 18? (a) 8 (b) 10 (c) 9 (d) 18
  21. 21.3/6 + 2/6 = ? (a) 2/3 (b) 5/6 (c) 5/12 (d) 1
  22. 22.Which fraction is greater: 4/7 or 11/12? (a) 11/12 (b) They are equal (c) 4/7
  23. 23.Which fraction is greater: 1/7 or 1/10? (a) 1/10 (b) They are equal (c) 1/7
  24. 24.1/2 + 2/4 = ? (a) 1/2 (b) 3/4 (c) 5/4 (d) 1
  25. 25.Which fraction is greater: 1/4 or 1/6? (a) 1/4 (b) They are equal (c) 1/6
  26. 26.2/7 + 3/4 = ? (a) 5/11 (b) 15/14 (c) 1 (d) 29/28
  27. 27.2/3 + 1/4 = ? (a) 1 (b) 5/6 (c) 11/12 (d) 3/7
  28. 28.What is 6/7 of 21? (a) 3 (b) 21 (c) 18 (d) 19
  29. 29.Which fraction is greater: 2/3 or 5/8? (a) They are equal (b) 5/8 (c) 2/3
  30. 30.What is 1/3 of 18? (a) 7 (b) 12 (c) 5 (d) 6
  31. 31.What is 4/5 of 30? (a) 24 (b) 6 (c) 25 (d) 30
  32. 32.Which fraction is greater: 1/9 or 1/3? (a) They are equal (b) 1/3 (c) 1/9
  33. 33.1/4 + 3/5 = ? (a) 9/10 (b) 4/9 (c) 4/5 (d) 17/20
  34. 34.Which fraction is greater: 4/9 or 1/5? (a) 4/9 (b) They are equal (c) 1/5
  35. 35.What is 2/3 of 24? (a) 8 (b) 16 (c) 17 (d) 24
  36. 36.What is 5/7 of 42? (a) 12 (b) 6 (c) 30 (d) 36
  37. 37.Which fraction is greater: 2/7 or 3/10? (a) 2/7 (b) They are equal (c) 3/10
  38. 38.What is 1/2 of 22? (a) 11 (b) 12 (c) 10 (d) 22
  39. 39.6/9 + 1/2 = ? (a) 11/9 (b) 7/6 (c) 7/11 (d) 10/9
  40. 40.What is 1/7 of 77? (a) 22 (b) 66 (c) 12 (d) 11

Answer key

  1. 96
  2. 10
  3. 8
  4. 7/8
  5. 9/11
  6. 4/7
  7. 4/7
  8. 12
  9. 24
  10. 2
  11. 2/3
  12. 7/11
  13. 8
  14. 1/4
  15. 9/11
  16. 1
  17. 3/7
  18. 5/4
  19. 7/9
  20. 9
  21. 5/6
  22. 11/12
  23. 1/7
  24. 1
  25. 1/4
  26. 29/28
  27. 11/12
  28. 18
  29. 2/3
  30. 6
  31. 24
  32. 1/3
  33. 17/20
  34. 4/9
  35. 16
  36. 30
  37. 3/10
  38. 11
  39. 7/6
  40. 11

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