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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 728 · 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.Which fraction is greater: 1/4 or 1/6? (a) 1/6 (b) They are equal (c) 1/4
  2. 2.6/7 + 1/2 = ? (a) 19/14 (b) 10/7 (c) 9/7 (d) 7/9
  3. 3.Which fraction is greater: 1/4 or 1/12? (a) 1/12 (b) 1/4 (c) They are equal
  4. 4.1/3 + 6/7 = ? (a) 26/21 (b) 8/7 (c) 7/10 (d) 25/21
  5. 5.5/6 + 4/5 = ? (a) 49/30 (b) 8/5 (c) 5/3 (d) 9/11
  6. 6.Which fraction is greater: 1/11 or 9/10? (a) 9/10 (b) 1/11 (c) They are equal
  7. 7.Which fraction is greater: 1/3 or 8/9? (a) 1/3 (b) 8/9 (c) They are equal
  8. 8.2/8 + 3/6 = ? (a) 19/24 (b) 17/24 (c) 3/4 (d) 5/14
  9. 9.2/5 + 1/5 = ? (a) 2/5 (b) 4/5 (c) 3/10 (d) 3/5
  10. 10.Which fraction is greater: 2/11 or 3/10? (a) 2/11 (b) They are equal (c) 3/10
  11. 11.What is 1/2 of 12? (a) 5 (b) 7 (c) 12 (d) 6
  12. 12.3/4 + 6/9 = ? (a) 13/9 (b) 9/13 (c) 17/12 (d) 25/18
  13. 13.What is 5/6 of 42? (a) 42 (b) 36 (c) 35 (d) 7
  14. 14.1/8 + 3/6 = ? (a) 5/8 (b) 2/7 (c) 2/3 (d) 7/12
  15. 15.Which fraction is greater: 1/3 or 3/4? (a) 3/4 (b) 1/3 (c) They are equal
  16. 16.Which fraction is greater: 5/6 or 2/5? (a) They are equal (b) 5/6 (c) 2/5
  17. 17.1/2 + 3/8 = ? (a) 2/5 (b) 3/4 (c) 7/8 (d) 1
  18. 18.What is 1/2 of 20? (a) 20 (b) 9 (c) 11 (d) 10
  19. 19.2/6 + 4/6 = ? (a) 1/2 (b) 5/6 (c) 7/6 (d) 1
  20. 20.Which fraction is greater: 5/9 or 1/5? (a) They are equal (b) 1/5 (c) 5/9
  21. 21.Which fraction is greater: 9/11 or 2/5? (a) 9/11 (b) They are equal (c) 2/5
  22. 22.Which fraction is greater: 1/4 or 1/3? (a) 1/3 (b) They are equal (c) 1/4
  23. 23.What is 1/6 of 12? (a) 3 (b) 2 (c) 10 (d) 4
  24. 24.1/2 + 2/3 = ? (a) 4/3 (b) 3/5 (c) 1 (d) 7/6
  25. 25.What is 5/6 of 30? (a) 5 (b) 30 (c) 25 (d) 26
  26. 26.What is 1/2 of 22? (a) 12 (b) 10 (c) 11 (d) 22
  27. 27.What is 1/9 of 108? (a) 12 (b) 24 (c) 13 (d) 96
  28. 28.What is 1/6 of 66? (a) 11 (b) 22 (c) 55 (d) 12
  29. 29.3/5 + 2/5 = ? (a) 1/2 (b) 6/5 (c) 4/5 (d) 1
  30. 30.Which fraction is greater: 4/5 or 1/4? (a) They are equal (b) 1/4 (c) 4/5
  31. 31.3/4 + 2/3 = ? (a) 4/3 (b) 3/2 (c) 17/12 (d) 5/7
  32. 32.1/8 + 7/8 = ? (a) 7/8 (b) 1/2 (c) 1 (d) 9/8
  33. 33.What is 7/9 of 36? (a) 8 (b) 32 (c) 4 (d) 28
  34. 34.1/5 + 1/3 = ? (a) 1/4 (b) 8/15 (c) 7/15 (d) 3/5
  35. 35.What is 1/7 of 77? (a) 66 (b) 12 (c) 11 (d) 22
  36. 36.What is 1/5 of 60? (a) 12 (b) 24 (c) 48 (d) 13
  37. 37.What is 2/3 of 15? (a) 11 (b) 15 (c) 5 (d) 10
  38. 38.Which fraction is greater: 9/10 or 1/3? (a) They are equal (b) 9/10 (c) 1/3
  39. 39.Which fraction is greater: 1/3 or 5/6? (a) 1/3 (b) They are equal (c) 5/6
  40. 40.What is 5/7 of 84? (a) 12 (b) 72 (c) 24 (d) 60

Answer key

  1. 1/4
  2. 19/14
  3. 1/4
  4. 25/21
  5. 49/30
  6. 9/10
  7. 8/9
  8. 3/4
  9. 3/5
  10. 3/10
  11. 6
  12. 17/12
  13. 35
  14. 5/8
  15. 3/4
  16. 5/6
  17. 7/8
  18. 10
  19. 1
  20. 5/9
  21. 9/11
  22. 1/3
  23. 2
  24. 7/6
  25. 25
  26. 11
  27. 12
  28. 11
  29. 1
  30. 4/5
  31. 17/12
  32. 1
  33. 28
  34. 8/15
  35. 11
  36. 12
  37. 10
  38. 9/10
  39. 5/6
  40. 60

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