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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 415 · 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: 1/3 or 1/11? (a) They are equal (b) 1/3 (c) 1/11
  2. 2.Which fraction is greater: 9/10 or 11/12? (a) 9/10 (b) 11/12 (c) They are equal
  3. 3.What is 5/8 of 24? (a) 15 (b) 18 (c) 9 (d) 3
  4. 4.3/6 + 1/2 = ? (a) 1/2 (b) 1 (c) 7/6 (d) 5/6
  5. 5.Which fraction is greater: 2/3 or 2/5? (a) 2/5 (b) They are equal (c) 2/3
  6. 6.3/6 + 3/8 = ? (a) 11/12 (b) 3/7 (c) 5/6 (d) 7/8
  7. 7.4/6 + 2/8 = ? (a) 11/12 (b) 3/7 (c) 23/24 (d) 7/8
  8. 8.1/2 + 5/8 = ? (a) 5/4 (b) 3/5 (c) 1 (d) 9/8
  9. 9.Which fraction is greater: 1/5 or 1/4? (a) They are equal (b) 1/4 (c) 1/5
  10. 10.Which fraction is greater: 7/10 or 2/9? (a) They are equal (b) 2/9 (c) 7/10
  11. 11.Which fraction is greater: 4/9 or 3/11? (a) 3/11 (b) They are equal (c) 4/9
  12. 12.1/2 + 1/2 = ? (a) 1/2 (b) 1 (c) 3/2 (d) 2
  13. 13.7/9 + 1/2 = ? (a) 11/9 (b) 4/3 (c) 8/11 (d) 23/18
  14. 14.Which fraction is greater: 1/6 or 2/5? (a) 1/6 (b) They are equal (c) 2/5
  15. 15.Which fraction is greater: 1/4 or 1/3? (a) They are equal (b) 1/3 (c) 1/4
  16. 16.What is 1/9 of 45? (a) 5 (b) 6 (c) 40 (d) 10
  17. 17.Which fraction is greater: 6/7 or 1/3? (a) 1/3 (b) 6/7 (c) They are equal
  18. 18.What is 2/5 of 30? (a) 6 (b) 18 (c) 13 (d) 12
  19. 19.3/4 + 8/9 = ? (a) 59/36 (b) 11/13 (c) 5/3 (d) 29/18
  20. 20.Which fraction is greater: 8/9 or 3/11? (a) They are equal (b) 8/9 (c) 3/11
  21. 21.What is 4/9 of 18? (a) 2 (b) 10 (c) 8 (d) 9
  22. 22.4/5 + 2/3 = ? (a) 22/15 (b) 3/4 (c) 7/5 (d) 23/15
  23. 23.Which fraction is greater: 3/7 or 2/3? (a) 2/3 (b) They are equal (c) 3/7
  24. 24.1/2 + 2/3 = ? (a) 1 (b) 4/3 (c) 3/5 (d) 7/6
  25. 25.Which fraction is greater: 2/3 or 8/11? (a) 2/3 (b) 8/11 (c) They are equal
  26. 26.What is 4/5 of 35? (a) 29 (b) 35 (c) 7 (d) 28
  27. 27.Which fraction is greater: 1/7 or 1/5? (a) They are equal (b) 1/5 (c) 1/7
  28. 28.What is 1/2 of 6? (a) 3 (b) 2 (c) 6 (d) 4
  29. 29.2/6 + 7/8 = ? (a) 29/24 (b) 7/6 (c) 5/4 (d) 9/14
  30. 30.Which fraction is greater: 1/3 or 4/5? (a) 1/3 (b) 4/5 (c) They are equal
  31. 31.Which fraction is greater: 5/8 or 2/3? (a) 2/3 (b) 5/8 (c) They are equal
  32. 32.4/7 + 1/2 = ? (a) 5/9 (b) 1 (c) 8/7 (d) 15/14
  33. 33.3/6 + 3/4 = ? (a) 3/5 (b) 4/3 (c) 7/6 (d) 5/4
  34. 34.Which fraction is greater: 1/12 or 2/11? (a) 2/11 (b) 1/12 (c) They are equal
  35. 35.Which fraction is greater: 4/5 or 1/3? (a) 4/5 (b) They are equal (c) 1/3
  36. 36.Which fraction is greater: 1/3 or 9/10? (a) They are equal (b) 9/10 (c) 1/3
  37. 37.2/4 + 6/8 = ? (a) 9/8 (b) 5/4 (c) 11/8 (d) 2/3
  38. 38.Which fraction is greater: 4/9 or 1/8? (a) They are equal (b) 1/8 (c) 4/9
  39. 39.What is 6/7 of 49? (a) 42 (b) 7 (c) 49 (d) 43
  40. 40.Which fraction is greater: 2/3 or 10/11? (a) 10/11 (b) 2/3 (c) They are equal

Answer key

  1. 1/3
  2. 11/12
  3. 15
  4. 1
  5. 2/3
  6. 7/8
  7. 11/12
  8. 9/8
  9. 1/4
  10. 7/10
  11. 4/9
  12. 1
  13. 23/18
  14. 2/5
  15. 1/3
  16. 5
  17. 6/7
  18. 12
  19. 59/36
  20. 8/9
  21. 8
  22. 22/15
  23. 2/3
  24. 7/6
  25. 8/11
  26. 28
  27. 1/5
  28. 3
  29. 29/24
  30. 4/5
  31. 2/3
  32. 15/14
  33. 5/4
  34. 2/11
  35. 4/5
  36. 9/10
  37. 5/4
  38. 4/9
  39. 42
  40. 10/11

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