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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 903 · 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: 3/11 or 2/3? (a) They are equal (b) 2/3 (c) 3/11
  2. 2.Which fraction is greater: 2/3 or 3/5? (a) 2/3 (b) 3/5 (c) They are equal
  3. 3.What is 5/7 of 42? (a) 12 (b) 6 (c) 36 (d) 30
  4. 4.What is 1/4 of 8? (a) 6 (b) 4 (c) 2 (d) 3
  5. 5.2/8 + 1/3 = ? (a) 7/12 (b) 13/24 (c) 5/8 (d) 3/11
  6. 6.Which fraction is greater: 1/3 or 3/7? (a) 1/3 (b) 3/7 (c) They are equal
  7. 7.Which fraction is greater: 2/3 or 4/5? (a) 2/3 (b) 4/5 (c) They are equal
  8. 8.What is 8/9 of 108? (a) 97 (b) 96 (c) 12 (d) 108
  9. 9.2/6 + 3/9 = ? (a) 1/3 (b) 11/18 (c) 13/18 (d) 2/3
  10. 10.What is 2/7 of 28? (a) 20 (b) 12 (c) 8 (d) 4
  11. 11.2/3 + 7/8 = ? (a) 9/11 (b) 3/2 (c) 37/24 (d) 19/12
  12. 12.What is 2/3 of 30? (a) 20 (b) 21 (c) 10 (d) 30
  13. 13.Which fraction is greater: 4/7 or 3/10? (a) 4/7 (b) 3/10 (c) They are equal
  14. 14.1/2 + 2/3 = ? (a) 7/6 (b) 1 (c) 3/5 (d) 4/3
  15. 15.What is 3/5 of 25? (a) 20 (b) 10 (c) 15 (d) 5
  16. 16.What is 1/9 of 108? (a) 96 (b) 12 (c) 24 (d) 13
  17. 17.1/4 + 7/8 = ? (a) 9/8 (b) 2/3 (c) 5/4 (d) 1
  18. 18.1/3 + 2/6 = ? (a) 5/6 (b) 1/2 (c) 2/3 (d) 1/3
  19. 19.Which fraction is greater: 2/3 or 6/11? (a) 6/11 (b) 2/3 (c) They are equal
  20. 20.2/6 + 1/9 = ? (a) 4/9 (b) 1/2 (c) 7/18 (d) 1/5
  21. 21.What is 4/7 of 84? (a) 12 (b) 36 (c) 60 (d) 48
  22. 22.What is 3/8 of 64? (a) 40 (b) 24 (c) 32 (d) 8
  23. 23.Which fraction is greater: 1/3 or 4/9? (a) 1/3 (b) 4/9 (c) They are equal
  24. 24.Which fraction is greater: 1/4 or 4/11? (a) 1/4 (b) They are equal (c) 4/11
  25. 25.1/3 + 2/5 = ? (a) 4/5 (b) 2/3 (c) 3/8 (d) 11/15
  26. 26.2/3 + 3/6 = ? (a) 5/9 (b) 1 (c) 4/3 (d) 7/6
  27. 27.What is 1/9 of 63? (a) 8 (b) 56 (c) 7 (d) 14
  28. 28.1/3 + 5/8 = ? (a) 11/12 (b) 23/24 (c) 6/11 (d) 1
  29. 29.Which fraction is greater: 1/5 or 5/11? (a) 5/11 (b) They are equal (c) 1/5
  30. 30.Which fraction is greater: 2/3 or 3/11? (a) They are equal (b) 2/3 (c) 3/11
  31. 31.Which fraction is greater: 7/9 or 8/11? (a) They are equal (b) 7/9 (c) 8/11
  32. 32.What is 1/2 of 8? (a) 3 (b) 8 (c) 5 (d) 4
  33. 33.1/5 + 1/2 = ? (a) 7/10 (b) 4/5 (c) 2/7 (d) 3/5
  34. 34.Which fraction is greater: 3/4 or 1/7? (a) 1/7 (b) 3/4 (c) They are equal
  35. 35.Which fraction is greater: 1/10 or 7/8? (a) 1/10 (b) They are equal (c) 7/8
  36. 36.What is 3/4 of 28? (a) 28 (b) 22 (c) 7 (d) 21
  37. 37.4/8 + 1/2 = ? (a) 1/2 (b) 7/8 (c) 1 (d) 9/8
  38. 38.1/4 + 2/3 = ? (a) 1 (b) 11/12 (c) 3/7 (d) 5/6
  39. 39.Which fraction is greater: 1/5 or 1/4? (a) They are equal (b) 1/4 (c) 1/5
  40. 40.1/2 + 7/8 = ? (a) 11/8 (b) 4/5 (c) 3/2 (d) 5/4

Answer key

  1. 2/3
  2. 2/3
  3. 30
  4. 2
  5. 7/12
  6. 3/7
  7. 4/5
  8. 96
  9. 2/3
  10. 8
  11. 37/24
  12. 20
  13. 4/7
  14. 7/6
  15. 15
  16. 12
  17. 9/8
  18. 2/3
  19. 2/3
  20. 4/9
  21. 48
  22. 24
  23. 4/9
  24. 4/11
  25. 11/15
  26. 7/6
  27. 7
  28. 23/24
  29. 5/11
  30. 2/3
  31. 7/9
  32. 4
  33. 7/10
  34. 3/4
  35. 7/8
  36. 21
  37. 1
  38. 11/12
  39. 1/4
  40. 11/8

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