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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 150 · 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 4/9 of 63? (a) 7 (b) 28 (c) 29 (d) 35
  2. 2.Which fraction is greater: 6/7 or 1/12? (a) 1/12 (b) 6/7 (c) They are equal
  3. 3.7/8 + 2/8 = ? (a) 9/16 (b) 9/8 (c) 5/4 (d) 1
  4. 4.Which fraction is greater: 1/3 or 2/5? (a) 1/3 (b) 2/5 (c) They are equal
  5. 5.Which fraction is greater: 5/7 or 7/8? (a) 7/8 (b) They are equal (c) 5/7
  6. 6.Which fraction is greater: 8/11 or 3/4? (a) They are equal (b) 8/11 (c) 3/4
  7. 7.What is 3/5 of 25? (a) 20 (b) 10 (c) 5 (d) 15
  8. 8.What is 1/3 of 30? (a) 10 (b) 20 (c) 11 (d) 9
  9. 9.Which fraction is greater: 4/5 or 1/12? (a) They are equal (b) 1/12 (c) 4/5
  10. 10.Which fraction is greater: 1/5 or 1/3? (a) They are equal (b) 1/5 (c) 1/3
  11. 11.1/4 + 1/2 = ? (a) 1 (b) 1/2 (c) 1/3 (d) 3/4
  12. 12.Which fraction is greater: 6/11 or 4/5? (a) They are equal (b) 4/5 (c) 6/11
  13. 13.What is 1/4 of 20? (a) 5 (b) 6 (c) 10 (d) 15
  14. 14.What is 1/4 of 24? (a) 6 (b) 7 (c) 18 (d) 12
  15. 15.What is 6/7 of 49? (a) 42 (b) 43 (c) 7 (d) 49
  16. 16.What is 3/7 of 70? (a) 40 (b) 10 (c) 31 (d) 30
  17. 17.Which fraction is greater: 3/5 or 1/8? (a) They are equal (b) 1/8 (c) 3/5
  18. 18.Which fraction is greater: 1/5 or 5/8? (a) 1/5 (b) 5/8 (c) They are equal
  19. 19.What is 3/4 of 36? (a) 9 (b) 27 (c) 36 (d) 28
  20. 20.What is 1/2 of 22? (a) 12 (b) 22 (c) 10 (d) 11
  21. 21.Which fraction is greater: 2/9 or 1/12? (a) 1/12 (b) 2/9 (c) They are equal
  22. 22.What is 2/3 of 27? (a) 18 (b) 19 (c) 9 (d) 27
  23. 23.1/2 + 3/6 = ? (a) 7/6 (b) 1/2 (c) 1 (d) 5/6
  24. 24.What is 1/3 of 6? (a) 2 (b) 4 (c) 3 (d) 1
  25. 25.1/3 + 1/8 = ? (a) 5/12 (b) 1/2 (c) 11/24 (d) 2/11
  26. 26.What is 6/7 of 28? (a) 25 (b) 4 (c) 28 (d) 24
  27. 27.What is 2/3 of 21? (a) 15 (b) 14 (c) 7 (d) 21
  28. 28.What is 3/4 of 16? (a) 4 (b) 16 (c) 12 (d) 13
  29. 29.Which fraction is greater: 1/9 or 1/10? (a) 1/9 (b) 1/10 (c) They are equal
  30. 30.What is 1/2 of 24? (a) 13 (b) 12 (c) 24 (d) 11
  31. 31.Which fraction is greater: 2/7 or 1/4? (a) 1/4 (b) 2/7 (c) They are equal
  32. 32.What is 2/3 of 36? (a) 12 (b) 24 (c) 25 (d) 36
  33. 33.Which fraction is greater: 5/7 or 3/4? (a) 5/7 (b) They are equal (c) 3/4
  34. 34.7/9 + 6/9 = ? (a) 14/9 (b) 4/3 (c) 13/18 (d) 13/9
  35. 35.What is 2/5 of 10? (a) 5 (b) 6 (c) 4 (d) 2
  36. 36.What is 1/3 of 9? (a) 6 (b) 2 (c) 4 (d) 3
  37. 37.Which fraction is greater: 3/4 or 3/5? (a) 3/5 (b) They are equal (c) 3/4
  38. 38.Which fraction is greater: 10/11 or 3/4? (a) They are equal (b) 10/11 (c) 3/4
  39. 39.What is 1/7 of 42? (a) 7 (b) 12 (c) 6 (d) 36
  40. 40.Which fraction is greater: 1/3 or 1/8? (a) They are equal (b) 1/3 (c) 1/8

Answer key

  1. 28
  2. 6/7
  3. 9/8
  4. 2/5
  5. 7/8
  6. 3/4
  7. 15
  8. 10
  9. 4/5
  10. 1/3
  11. 3/4
  12. 4/5
  13. 5
  14. 6
  15. 42
  16. 30
  17. 3/5
  18. 5/8
  19. 27
  20. 11
  21. 2/9
  22. 18
  23. 1
  24. 2
  25. 11/24
  26. 24
  27. 14
  28. 12
  29. 1/9
  30. 12
  31. 2/7
  32. 24
  33. 3/4
  34. 13/9
  35. 4
  36. 3
  37. 3/4
  38. 10/11
  39. 6
  40. 1/3

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