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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 544 · 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 3/5 of 25? (a) 10 (b) 5 (c) 15 (d) 20
  2. 2.Which fraction is greater: 3/4 or 2/3? (a) 3/4 (b) 2/3 (c) They are equal
  3. 3.What is 3/5 of 20? (a) 16 (b) 4 (c) 8 (d) 12
  4. 4.7/9 + 3/4 = ? (a) 10/13 (b) 14/9 (c) 3/2 (d) 55/36
  5. 5.What is 2/9 of 54? (a) 18 (b) 42 (c) 6 (d) 12
  6. 6.What is 3/4 of 20? (a) 20 (b) 5 (c) 16 (d) 15
  7. 7.What is 1/2 of 8? (a) 4 (b) 8 (c) 3 (d) 5
  8. 8.What is 1/2 of 20? (a) 9 (b) 10 (c) 20 (d) 11
  9. 9.3/8 + 1/6 = ? (a) 13/24 (b) 1/2 (c) 2/7 (d) 7/12
  10. 10.What is 7/8 of 96? (a) 85 (b) 12 (c) 96 (d) 84
  11. 11.Which fraction is greater: 3/8 or 6/11? (a) 3/8 (b) They are equal (c) 6/11
  12. 12.2/4 + 3/5 = ? (a) 5/9 (b) 23/20 (c) 21/20 (d) 11/10
  13. 13.What is 1/2 of 16? (a) 16 (b) 7 (c) 8 (d) 9
  14. 14.What is 1/2 of 6? (a) 3 (b) 4 (c) 6 (d) 2
  15. 15.3/4 + 1/6 = ? (a) 5/6 (b) 11/12 (c) 2/5 (d) 1
  16. 16.What is 1/2 of 24? (a) 13 (b) 24 (c) 12 (d) 11
  17. 17.2/3 + 4/8 = ? (a) 6/11 (b) 9/8 (c) 7/6 (d) 29/24
  18. 18.What is 1/8 of 88? (a) 12 (b) 11 (c) 22 (d) 77
  19. 19.3/6 + 5/6 = ? (a) 4/3 (b) 3/2 (c) 2/3 (d) 7/6
  20. 20.5/8 + 3/8 = ? (a) 7/8 (b) 1/2 (c) 9/8 (d) 1
  21. 21.3/6 + 2/5 = ? (a) 14/15 (b) 13/15 (c) 9/10 (d) 5/11
  22. 22.Which fraction is greater: 1/3 or 8/9? (a) They are equal (b) 8/9 (c) 1/3
  23. 23.Which fraction is greater: 1/8 or 4/5? (a) 4/5 (b) 1/8 (c) They are equal
  24. 24.Which fraction is greater: 1/11 or 2/9? (a) 2/9 (b) They are equal (c) 1/11
  25. 25.Which fraction is greater: 3/7 or 3/4? (a) 3/4 (b) 3/7 (c) They are equal
  26. 26.Which fraction is greater: 1/3 or 1/5? (a) 1/5 (b) They are equal (c) 1/3
  27. 27.Which fraction is greater: 2/5 or 1/9? (a) They are equal (b) 2/5 (c) 1/9
  28. 28.1/2 + 4/5 = ? (a) 5/7 (b) 7/5 (c) 6/5 (d) 13/10
  29. 29.2/4 + 3/8 = ? (a) 7/8 (b) 1 (c) 3/4 (d) 5/12
  30. 30.What is 2/5 of 60? (a) 12 (b) 25 (c) 36 (d) 24
  31. 31.What is 6/7 of 28? (a) 28 (b) 4 (c) 24 (d) 25
  32. 32.What is 1/4 of 20? (a) 5 (b) 10 (c) 6 (d) 15
  33. 33.Which fraction is greater: 2/3 or 3/8? (a) They are equal (b) 3/8 (c) 2/3
  34. 34.What is 1/7 of 42? (a) 6 (b) 7 (c) 12 (d) 36
  35. 35.What is 3/5 of 35? (a) 14 (b) 7 (c) 28 (d) 21
  36. 36.What is 1/3 of 15? (a) 10 (b) 6 (c) 4 (d) 5
  37. 37.1/3 + 5/9 = ? (a) 8/9 (b) 7/9 (c) 1/2 (d) 1
  38. 38.3/4 + 2/3 = ? (a) 5/7 (b) 3/2 (c) 17/12 (d) 4/3
  39. 39.What is 1/4 of 40? (a) 11 (b) 30 (c) 10 (d) 20
  40. 40.Which fraction is greater: 3/11 or 1/3? (a) They are equal (b) 1/3 (c) 3/11

Answer key

  1. 15
  2. 3/4
  3. 12
  4. 55/36
  5. 12
  6. 15
  7. 4
  8. 10
  9. 13/24
  10. 84
  11. 6/11
  12. 11/10
  13. 8
  14. 3
  15. 11/12
  16. 12
  17. 7/6
  18. 11
  19. 4/3
  20. 1
  21. 9/10
  22. 8/9
  23. 4/5
  24. 2/9
  25. 3/4
  26. 1/3
  27. 2/5
  28. 13/10
  29. 7/8
  30. 24
  31. 24
  32. 5
  33. 2/3
  34. 6
  35. 21
  36. 5
  37. 8/9
  38. 17/12
  39. 10
  40. 1/3

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