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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 403 · 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 6/7 of 21? (a) 21 (b) 3 (c) 18 (d) 19
  2. 2.What is 4/5 of 35? (a) 28 (b) 29 (c) 35 (d) 7
  3. 3.3/9 + 1/3 = ? (a) 5/9 (b) 1/3 (c) 7/9 (d) 2/3
  4. 4.Which fraction is greater: 1/5 or 2/3? (a) 1/5 (b) 2/3 (c) They are equal
  5. 5.2/3 + 8/9 = ? (a) 5/6 (b) 14/9 (c) 5/3 (d) 13/9
  6. 6.5/9 + 1/3 = ? (a) 8/9 (b) 1 (c) 1/2 (d) 7/9
  7. 7.What is 5/9 of 63? (a) 28 (b) 35 (c) 42 (d) 7
  8. 8.6/7 + 2/5 = ? (a) 44/35 (b) 2/3 (c) 9/7 (d) 43/35
  9. 9.What is 1/7 of 21? (a) 18 (b) 3 (c) 6 (d) 4
  10. 10.Which fraction is greater: 4/7 or 1/4? (a) They are equal (b) 1/4 (c) 4/7
  11. 11.What is 3/7 of 84? (a) 48 (b) 37 (c) 36 (d) 12
  12. 12.Which fraction is greater: 1/4 or 9/10? (a) 1/4 (b) They are equal (c) 9/10
  13. 13.Which fraction is greater: 2/7 or 1/3? (a) They are equal (b) 2/7 (c) 1/3
  14. 14.What is 3/4 of 32? (a) 8 (b) 25 (c) 24 (d) 32
  15. 15.1/2 + 1/3 = ? (a) 1 (b) 2/5 (c) 5/6 (d) 2/3
  16. 16.1/2 + 2/7 = ? (a) 1/3 (b) 5/7 (c) 11/14 (d) 6/7
  17. 17.Which fraction is greater: 9/10 or 5/7? (a) They are equal (b) 9/10 (c) 5/7
  18. 18.Which fraction is greater: 5/7 or 5/6? (a) 5/7 (b) They are equal (c) 5/6
  19. 19.1/3 + 1/2 = ? (a) 2/3 (b) 5/6 (c) 1 (d) 2/5
  20. 20.Which fraction is greater: 5/7 or 1/9? (a) They are equal (b) 5/7 (c) 1/9
  21. 21.3/5 + 1/3 = ? (a) 1/2 (b) 14/15 (c) 1 (d) 13/15
  22. 22.What is 2/9 of 63? (a) 21 (b) 7 (c) 49 (d) 14
  23. 23.1/2 + 1/2 = ? (a) 1/2 (b) 3/2 (c) 2 (d) 1
  24. 24.What is 3/5 of 45? (a) 18 (b) 36 (c) 9 (d) 27
  25. 25.What is 6/7 of 42? (a) 42 (b) 6 (c) 37 (d) 36
  26. 26.Which fraction is greater: 6/11 or 8/9? (a) 8/9 (b) 6/11 (c) They are equal
  27. 27.Which fraction is greater: 1/3 or 3/10? (a) 1/3 (b) 3/10 (c) They are equal
  28. 28.Which fraction is greater: 4/11 or 5/12? (a) 4/11 (b) They are equal (c) 5/12
  29. 29.What is 2/3 of 33? (a) 22 (b) 23 (c) 11 (d) 33
  30. 30.1/3 + 3/8 = ? (a) 3/4 (b) 17/24 (c) 4/11 (d) 2/3
  31. 31.Which fraction is greater: 1/3 or 1/5? (a) 1/3 (b) They are equal (c) 1/5
  32. 32.7/9 + 2/3 = ? (a) 3/4 (b) 4/3 (c) 13/9 (d) 14/9
  33. 33.Which fraction is greater: 1/4 or 1/10? (a) 1/4 (b) 1/10 (c) They are equal
  34. 34.What is 1/6 of 24? (a) 20 (b) 5 (c) 8 (d) 4
  35. 35.What is 1/2 of 22? (a) 10 (b) 22 (c) 12 (d) 11
  36. 36.1/2 + 8/9 = ? (a) 9/11 (b) 13/9 (c) 4/3 (d) 25/18
  37. 37.What is 1/8 of 16? (a) 14 (b) 4 (c) 2 (d) 3
  38. 38.What is 4/7 of 84? (a) 12 (b) 36 (c) 60 (d) 48
  39. 39.Which fraction is greater: 1/4 or 5/8? (a) 1/4 (b) 5/8 (c) They are equal
  40. 40.Which fraction is greater: 2/7 or 5/11? (a) 2/7 (b) 5/11 (c) They are equal

Answer key

  1. 18
  2. 28
  3. 2/3
  4. 2/3
  5. 14/9
  6. 8/9
  7. 35
  8. 44/35
  9. 3
  10. 4/7
  11. 36
  12. 9/10
  13. 1/3
  14. 24
  15. 5/6
  16. 11/14
  17. 9/10
  18. 5/6
  19. 5/6
  20. 5/7
  21. 14/15
  22. 14
  23. 1
  24. 27
  25. 36
  26. 8/9
  27. 1/3
  28. 5/12
  29. 22
  30. 17/24
  31. 1/3
  32. 13/9
  33. 1/4
  34. 4
  35. 11
  36. 25/18
  37. 2
  38. 48
  39. 5/8
  40. 5/11

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