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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 54 · 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: 7/11 or 1/8? (a) 1/8 (b) 7/11 (c) They are equal
  2. 2.Which fraction is greater: 3/10 or 3/11? (a) 3/10 (b) They are equal (c) 3/11
  3. 3.Which fraction is greater: 1/3 or 3/7? (a) 1/3 (b) 3/7 (c) They are equal
  4. 4.Which fraction is greater: 1/5 or 8/11? (a) They are equal (b) 1/5 (c) 8/11
  5. 5.What is 3/8 of 56? (a) 21 (b) 28 (c) 35 (d) 7
  6. 6.What is 1/6 of 72? (a) 60 (b) 24 (c) 13 (d) 12
  7. 7.Which fraction is greater: 1/11 or 2/9? (a) 2/9 (b) 1/11 (c) They are equal
  8. 8.Which fraction is greater: 3/11 or 3/5? (a) 3/11 (b) They are equal (c) 3/5
  9. 9.What is 1/2 of 24? (a) 24 (b) 11 (c) 13 (d) 12
  10. 10.1/2 + 1/5 = ? (a) 4/5 (b) 7/10 (c) 3/5 (d) 2/7
  11. 11.What is 5/9 of 27? (a) 3 (b) 15 (c) 18 (d) 12
  12. 12.3/5 + 1/6 = ? (a) 4/11 (b) 4/5 (c) 23/30 (d) 11/15
  13. 13.3/9 + 1/6 = ? (a) 4/15 (b) 4/9 (c) 5/9 (d) 1/2
  14. 14.What is 2/3 of 36? (a) 36 (b) 25 (c) 24 (d) 12
  15. 15.Which fraction is greater: 3/8 or 10/11? (a) 3/8 (b) They are equal (c) 10/11
  16. 16.5/6 + 1/3 = ? (a) 7/6 (b) 2/3 (c) 4/3 (d) 1
  17. 17.Which fraction is greater: 7/8 or 5/11? (a) They are equal (b) 5/11 (c) 7/8
  18. 18.3/6 + 3/5 = ? (a) 11/10 (b) 6/11 (c) 16/15 (d) 17/15
  19. 19.3/7 + 1/4 = ? (a) 5/7 (b) 4/11 (c) 19/28 (d) 9/14
  20. 20.What is 1/2 of 6? (a) 2 (b) 4 (c) 6 (d) 3
  21. 21.Which fraction is greater: 1/3 or 1/9? (a) 1/3 (b) They are equal (c) 1/9
  22. 22.1/2 + 1/2 = ? (a) 2 (b) 1 (c) 3/2 (d) 1/2
  23. 23.What is 1/2 of 20? (a) 11 (b) 10 (c) 9 (d) 20
  24. 24.What is 1/8 of 24? (a) 6 (b) 3 (c) 4 (d) 21
  25. 25.What is 5/6 of 30? (a) 30 (b) 25 (c) 26 (d) 5
  26. 26.1/3 + 3/6 = ? (a) 4/9 (b) 1 (c) 5/6 (d) 2/3
  27. 27.Which fraction is greater: 7/10 or 2/9? (a) 7/10 (b) 2/9 (c) They are equal
  28. 28.Which fraction is greater: 7/8 or 7/12? (a) They are equal (b) 7/8 (c) 7/12
  29. 29.1/4 + 5/7 = ? (a) 6/11 (b) 27/28 (c) 13/14 (d) 1
  30. 30.1/9 + 2/3 = ? (a) 8/9 (b) 1/4 (c) 7/9 (d) 2/3
  31. 31.4/5 + 6/7 = ? (a) 59/35 (b) 5/6 (c) 58/35 (d) 57/35
  32. 32.1/3 + 1/3 = ? (a) 1 (b) 4/3 (c) 1/3 (d) 2/3
  33. 33.2/9 + 1/4 = ? (a) 3/13 (b) 17/36 (c) 4/9 (d) 1/2
  34. 34.Which fraction is greater: 3/4 or 3/8? (a) They are equal (b) 3/4 (c) 3/8
  35. 35.What is 3/5 of 25? (a) 10 (b) 5 (c) 20 (d) 15
  36. 36.Which fraction is greater: 1/8 or 3/4? (a) 1/8 (b) 3/4 (c) They are equal
  37. 37.What is 1/6 of 30? (a) 6 (b) 10 (c) 25 (d) 5
  38. 38.What is 2/5 of 10? (a) 5 (b) 2 (c) 6 (d) 4
  39. 39.Which fraction is greater: 7/10 or 1/3? (a) They are equal (b) 7/10 (c) 1/3
  40. 40.What is 1/3 of 18? (a) 5 (b) 6 (c) 7 (d) 12

Answer key

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

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