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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 389 · 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: 11/12 or 2/5? (a) 2/5 (b) 11/12 (c) They are equal
  2. 2.Which fraction is greater: 1/10 or 4/9? (a) 4/9 (b) They are equal (c) 1/10
  3. 3.What is 3/5 of 30? (a) 12 (b) 24 (c) 18 (d) 6
  4. 4.What is 1/3 of 27? (a) 9 (b) 18 (c) 8 (d) 10
  5. 5.What is 2/7 of 49? (a) 7 (b) 21 (c) 35 (d) 14
  6. 6.1/2 + 1/2 = ? (a) 1/2 (b) 2 (c) 1 (d) 3/2
  7. 7.What is 5/6 of 12? (a) 12 (b) 2 (c) 11 (d) 10
  8. 8.What is 1/5 of 30? (a) 24 (b) 7 (c) 6 (d) 12
  9. 9.Which fraction is greater: 7/9 or 9/10? (a) 7/9 (b) 9/10 (c) They are equal
  10. 10.What is 6/7 of 35? (a) 30 (b) 5 (c) 35 (d) 31
  11. 11.What is 8/9 of 36? (a) 32 (b) 36 (c) 4 (d) 33
  12. 12.1/3 + 1/2 = ? (a) 1 (b) 5/6 (c) 2/3 (d) 2/5
  13. 13.What is 5/7 of 70? (a) 10 (b) 20 (c) 60 (d) 50
  14. 14.What is 5/7 of 56? (a) 8 (b) 16 (c) 40 (d) 48
  15. 15.Which fraction is greater: 7/10 or 1/9? (a) 1/9 (b) They are equal (c) 7/10
  16. 16.Which fraction is greater: 2/3 or 6/7? (a) 6/7 (b) 2/3 (c) They are equal
  17. 17.What is 1/4 of 28? (a) 14 (b) 21 (c) 7 (d) 8
  18. 18.Which fraction is greater: 7/10 or 5/12? (a) They are equal (b) 7/10 (c) 5/12
  19. 19.2/4 + 6/9 = ? (a) 8/13 (b) 41/36 (c) 7/6 (d) 43/36
  20. 20.1/5 + 1/2 = ? (a) 7/10 (b) 3/5 (c) 4/5 (d) 2/7
  21. 21.1/4 + 2/3 = ? (a) 1 (b) 5/6 (c) 3/7 (d) 11/12
  22. 22.4/5 + 6/7 = ? (a) 59/35 (b) 58/35 (c) 57/35 (d) 5/6
  23. 23.Which fraction is greater: 2/5 or 3/4? (a) 2/5 (b) 3/4 (c) They are equal
  24. 24.Which fraction is greater: 2/7 or 1/5? (a) 2/7 (b) 1/5 (c) They are equal
  25. 25.3/4 + 3/5 = ? (a) 2/3 (b) 7/5 (c) 27/20 (d) 13/10
  26. 26.Which fraction is greater: 8/9 or 3/11? (a) They are equal (b) 8/9 (c) 3/11
  27. 27.Which fraction is greater: 4/7 or 4/9? (a) 4/9 (b) 4/7 (c) They are equal
  28. 28.Which fraction is greater: 1/4 or 4/5? (a) 1/4 (b) They are equal (c) 4/5
  29. 29.What is 2/5 of 50? (a) 10 (b) 20 (c) 21 (d) 30
  30. 30.3/8 + 1/3 = ? (a) 4/11 (b) 3/4 (c) 2/3 (d) 17/24
  31. 31.Which fraction is greater: 5/8 or 2/5? (a) 2/5 (b) They are equal (c) 5/8
  32. 32.Which fraction is greater: 1/10 or 4/5? (a) 4/5 (b) They are equal (c) 1/10
  33. 33.What is 1/2 of 24? (a) 11 (b) 13 (c) 24 (d) 12
  34. 34.6/8 + 3/8 = ? (a) 9/16 (b) 5/4 (c) 9/8 (d) 1
  35. 35.3/4 + 3/7 = ? (a) 6/11 (b) 17/14 (c) 33/28 (d) 8/7
  36. 36.What is 3/4 of 40? (a) 10 (b) 31 (c) 40 (d) 30
  37. 37.What is 1/9 of 63? (a) 14 (b) 8 (c) 7 (d) 56
  38. 38.4/6 + 2/3 = ? (a) 4/3 (b) 2/3 (c) 7/6 (d) 3/2
  39. 39.1/4 + 7/8 = ? (a) 9/8 (b) 5/4 (c) 1 (d) 2/3
  40. 40.Which fraction is greater: 1/5 or 2/7? (a) 1/5 (b) 2/7 (c) They are equal

Answer key

  1. 11/12
  2. 4/9
  3. 18
  4. 9
  5. 14
  6. 1
  7. 10
  8. 6
  9. 9/10
  10. 30
  11. 32
  12. 5/6
  13. 50
  14. 40
  15. 7/10
  16. 6/7
  17. 7
  18. 7/10
  19. 7/6
  20. 7/10
  21. 11/12
  22. 58/35
  23. 3/4
  24. 2/7
  25. 27/20
  26. 8/9
  27. 4/7
  28. 4/5
  29. 20
  30. 17/24
  31. 5/8
  32. 4/5
  33. 12
  34. 9/8
  35. 33/28
  36. 30
  37. 7
  38. 4/3
  39. 9/8
  40. 2/7

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