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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 96 · 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. 1.5/8 + 1/2 = ? (a) 9/8 (b) 3/5 (c) 5/4 (d) 1
  2. 2.1/6 + 6/9 = ? (a) 7/9 (b) 5/6 (c) 8/9 (d) 7/15
  3. 3.1/5 + 3/5 = ? (a) 1 (b) 4/5 (c) 3/5 (d) 2/5
  4. 4.1/4 + 3/4 = ? (a) 1/2 (b) 3/4 (c) 5/4 (d) 1
  5. 5.Which fraction is greater: 5/7 or 1/11? (a) 1/11 (b) 5/7 (c) They are equal
  6. 6.Which fraction is greater: 6/11 or 1/3? (a) 1/3 (b) 6/11 (c) They are equal
  7. 7.1/6 + 2/3 = ? (a) 1/3 (b) 2/3 (c) 5/6 (d) 1
  8. 8.Which fraction is greater: 2/5 or 4/7? (a) 2/5 (b) They are equal (c) 4/7
  9. 9.What is 5/6 of 54? (a) 9 (b) 45 (c) 54 (d) 46
  10. 10.1/3 + 6/8 = ? (a) 9/8 (b) 25/24 (c) 7/11 (d) 13/12
  11. 11.1/4 + 4/8 = ? (a) 5/12 (b) 7/8 (c) 5/8 (d) 3/4
  12. 12.Which fraction is greater: 1/4 or 1/12? (a) 1/12 (b) They are equal (c) 1/4
  13. 13.5/6 + 6/9 = ? (a) 3/2 (b) 11/15 (c) 13/9 (d) 14/9
  14. 14.What is 6/7 of 42? (a) 42 (b) 6 (c) 36 (d) 37
  15. 15.4/9 + 1/3 = ? (a) 7/9 (b) 5/12 (c) 8/9 (d) 2/3
  16. 16.1/3 + 2/4 = ? (a) 3/7 (b) 3/4 (c) 5/6 (d) 11/12
  17. 17.Which fraction is greater: 3/5 or 9/10? (a) 3/5 (b) They are equal (c) 9/10
  18. 18.Which fraction is greater: 1/5 or 1/8? (a) They are equal (b) 1/5 (c) 1/8
  19. 19.What is 4/5 of 35? (a) 29 (b) 35 (c) 28 (d) 7
  20. 20.What is 2/3 of 33? (a) 23 (b) 11 (c) 22 (d) 33
  21. 21.Which fraction is greater: 2/5 or 2/7? (a) 2/7 (b) They are equal (c) 2/5
  22. 22.1/4 + 1/5 = ? (a) 1/2 (b) 2/9 (c) 2/5 (d) 9/20
  23. 23.1/4 + 4/5 = ? (a) 11/10 (b) 1 (c) 21/20 (d) 5/9
  24. 24.4/7 + 2/4 = ? (a) 31/28 (b) 6/11 (c) 29/28 (d) 15/14
  25. 25.1/3 + 2/6 = ? (a) 2/3 (b) 1/2 (c) 5/6 (d) 1/3
  26. 26.What is 1/3 of 6? (a) 1 (b) 2 (c) 4 (d) 3
  27. 27.Which fraction is greater: 2/3 or 5/6? (a) 2/3 (b) 5/6 (c) They are equal
  28. 28.Which fraction is greater: 4/7 or 8/9? (a) 8/9 (b) 4/7 (c) They are equal
  29. 29.1/2 + 4/8 = ? (a) 1/2 (b) 1 (c) 9/8 (d) 7/8
  30. 30.3/9 + 1/4 = ? (a) 7/12 (b) 4/13 (c) 5/9 (d) 11/18
  31. 31.1/9 + 8/9 = ? (a) 8/9 (b) 1 (c) 1/2 (d) 10/9
  32. 32.What is 1/3 of 27? (a) 9 (b) 10 (c) 18 (d) 8
  33. 33.What is 4/7 of 35? (a) 5 (b) 15 (c) 25 (d) 20
  34. 34.What is 1/2 of 16? (a) 8 (b) 16 (c) 7 (d) 9
  35. 35.Which fraction is greater: 1/11 or 1/5? (a) They are equal (b) 1/11 (c) 1/5
  36. 36.1/2 + 1/4 = ? (a) 1/2 (b) 1 (c) 3/4 (d) 1/3
  37. 37.Which fraction is greater: 2/3 or 2/9? (a) 2/9 (b) 2/3 (c) They are equal
  38. 38.Which fraction is greater: 2/5 or 5/6? (a) They are equal (b) 5/6 (c) 2/5
  39. 39.Which fraction is greater: 2/3 or 1/7? (a) They are equal (b) 1/7 (c) 2/3
  40. 40.Which fraction is greater: 3/4 or 2/3? (a) 3/4 (b) 2/3 (c) They are equal

Answer key

  1. 9/8
  2. 5/6
  3. 4/5
  4. 1
  5. 5/7
  6. 6/11
  7. 5/6
  8. 4/7
  9. 45
  10. 13/12
  11. 3/4
  12. 1/4
  13. 3/2
  14. 36
  15. 7/9
  16. 5/6
  17. 9/10
  18. 1/5
  19. 28
  20. 22
  21. 2/5
  22. 9/20
  23. 21/20
  24. 15/14
  25. 2/3
  26. 2
  27. 5/6
  28. 8/9
  29. 1
  30. 7/12
  31. 1
  32. 9
  33. 20
  34. 8
  35. 1/5
  36. 3/4
  37. 2/3
  38. 5/6
  39. 2/3
  40. 3/4

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