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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 97 · 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. 1.1/5 + 4/5 = ? (a) 4/5 (b) 1 (c) 6/5 (d) 1/2
  2. 2.6/9 + 1/2 = ? (a) 10/9 (b) 7/11 (c) 7/6 (d) 11/9
  3. 3.1/2 + 1/4 = ? (a) 1/2 (b) 3/4 (c) 1/3 (d) 1
  4. 4.Which fraction is greater: 4/9 or 2/5? (a) They are equal (b) 4/9 (c) 2/5
  5. 5.What is 1/2 of 8? (a) 5 (b) 8 (c) 4 (d) 3
  6. 6.What is 5/7 of 56? (a) 16 (b) 48 (c) 8 (d) 40
  7. 7.6/8 + 1/2 = ? (a) 11/8 (b) 7/10 (c) 9/8 (d) 5/4
  8. 8.7/9 + 3/4 = ? (a) 55/36 (b) 10/13 (c) 3/2 (d) 14/9
  9. 9.What is 1/2 of 16? (a) 9 (b) 16 (c) 8 (d) 7
  10. 10.What is 1/4 of 40? (a) 30 (b) 10 (c) 20 (d) 11
  11. 11.3/5 + 3/4 = ? (a) 27/20 (b) 7/5 (c) 2/3 (d) 13/10
  12. 12.1/2 + 1/7 = ? (a) 4/7 (b) 5/7 (c) 9/14 (d) 2/9
  13. 13.What is 7/9 of 81? (a) 9 (b) 72 (c) 18 (d) 63
  14. 14.4/6 + 2/4 = ? (a) 13/12 (b) 7/6 (c) 5/4 (d) 3/5
  15. 15.2/6 + 5/6 = ? (a) 7/12 (b) 1 (c) 7/6 (d) 4/3
  16. 16.1/8 + 5/6 = ? (a) 3/7 (b) 11/12 (c) 1 (d) 23/24
  17. 17.What is 1/2 of 10? (a) 4 (b) 10 (c) 5 (d) 6
  18. 18.3/4 + 4/7 = ? (a) 37/28 (b) 19/14 (c) 7/11 (d) 9/7
  19. 19.Which fraction is greater: 1/5 or 7/11? (a) They are equal (b) 7/11 (c) 1/5
  20. 20.3/4 + 2/5 = ? (a) 5/9 (b) 6/5 (c) 23/20 (d) 11/10
  21. 21.Which fraction is greater: 7/8 or 1/4? (a) 1/4 (b) 7/8 (c) They are equal
  22. 22.What is 1/2 of 24? (a) 13 (b) 12 (c) 11 (d) 24
  23. 23.1/2 + 3/9 = ? (a) 4/11 (b) 8/9 (c) 7/9 (d) 5/6
  24. 24.8/9 + 1/2 = ? (a) 25/18 (b) 4/3 (c) 9/11 (d) 13/9
  25. 25.Which fraction is greater: 1/3 or 3/10? (a) They are equal (b) 1/3 (c) 3/10
  26. 26.What is 1/3 of 36? (a) 13 (b) 11 (c) 24 (d) 12
  27. 27.2/3 + 2/3 = ? (a) 4/3 (b) 1 (c) 2/3 (d) 5/3
  28. 28.2/9 + 1/2 = ? (a) 3/11 (b) 7/9 (c) 2/3 (d) 13/18
  29. 29.Which fraction is greater: 2/5 or 4/11? (a) They are equal (b) 4/11 (c) 2/5
  30. 30.What is 3/4 of 36? (a) 9 (b) 27 (c) 28 (d) 36
  31. 31.Which fraction is greater: 1/4 or 1/7? (a) 1/7 (b) 1/4 (c) They are equal
  32. 32.1/2 + 2/4 = ? (a) 1/2 (b) 3/4 (c) 1 (d) 5/4
  33. 33.What is 1/5 of 35? (a) 14 (b) 8 (c) 28 (d) 7
  34. 34.Which fraction is greater: 6/7 or 3/11? (a) 3/11 (b) They are equal (c) 6/7
  35. 35.1/2 + 1/6 = ? (a) 5/6 (b) 1/2 (c) 2/3 (d) 1/4
  36. 36.What is 4/5 of 10? (a) 2 (b) 10 (c) 8 (d) 9
  37. 37.What is 1/2 of 12? (a) 12 (b) 7 (c) 5 (d) 6
  38. 38.Which fraction is greater: 5/7 or 3/10? (a) 3/10 (b) 5/7 (c) They are equal
  39. 39.Which fraction is greater: 3/4 or 2/5? (a) 2/5 (b) 3/4 (c) They are equal
  40. 40.Which fraction is greater: 1/8 or 5/7? (a) They are equal (b) 5/7 (c) 1/8

Answer key

  1. 1
  2. 7/6
  3. 3/4
  4. 4/9
  5. 4
  6. 40
  7. 5/4
  8. 55/36
  9. 8
  10. 10
  11. 27/20
  12. 9/14
  13. 63
  14. 7/6
  15. 7/6
  16. 23/24
  17. 5
  18. 37/28
  19. 7/11
  20. 23/20
  21. 7/8
  22. 12
  23. 5/6
  24. 25/18
  25. 1/3
  26. 12
  27. 4/3
  28. 13/18
  29. 2/5
  30. 27
  31. 1/4
  32. 1
  33. 7
  34. 6/7
  35. 2/3
  36. 8
  37. 6
  38. 5/7
  39. 3/4
  40. 5/7

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