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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 131 · 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: 3/8 or 1/12? (a) 1/12 (b) 3/8 (c) They are equal
  2. 2.Which fraction is greater: 1/3 or 1/9? (a) 1/3 (b) They are equal (c) 1/9
  3. 3.3/4 + 2/4 = ? (a) 1 (b) 3/2 (c) 5/8 (d) 5/4
  4. 4.Which fraction is greater: 11/12 or 2/3? (a) They are equal (b) 2/3 (c) 11/12
  5. 5.2/3 + 7/8 = ? (a) 37/24 (b) 9/11 (c) 19/12 (d) 3/2
  6. 6.Which fraction is greater: 4/9 or 3/4? (a) 4/9 (b) 3/4 (c) They are equal
  7. 7.What is 3/4 of 16? (a) 13 (b) 16 (c) 4 (d) 12
  8. 8.1/2 + 1/6 = ? (a) 2/3 (b) 5/6 (c) 1/4 (d) 1/2
  9. 9.Which fraction is greater: 5/12 or 10/11? (a) 10/11 (b) They are equal (c) 5/12
  10. 10.1/7 + 1/3 = ? (a) 1/5 (b) 3/7 (c) 10/21 (d) 11/21
  11. 11.3/5 + 4/6 = ? (a) 7/11 (b) 37/30 (c) 13/10 (d) 19/15
  12. 12.Which fraction is greater: 2/9 or 1/6? (a) They are equal (b) 1/6 (c) 2/9
  13. 13.Which fraction is greater: 3/4 or 3/11? (a) They are equal (b) 3/11 (c) 3/4
  14. 14.Which fraction is greater: 1/9 or 5/12? (a) They are equal (b) 5/12 (c) 1/9
  15. 15.What is 5/6 of 60? (a) 60 (b) 10 (c) 50 (d) 51
  16. 16.What is 4/9 of 27? (a) 12 (b) 15 (c) 3 (d) 13
  17. 17.1/2 + 4/8 = ? (a) 9/8 (b) 1/2 (c) 1 (d) 7/8
  18. 18.What is 3/7 of 35? (a) 5 (b) 16 (c) 15 (d) 20
  19. 19.What is 1/4 of 28? (a) 14 (b) 7 (c) 8 (d) 21
  20. 20.5/8 + 2/3 = ? (a) 4/3 (b) 31/24 (c) 7/11 (d) 5/4
  21. 21.What is 1/2 of 20? (a) 10 (b) 11 (c) 20 (d) 9
  22. 22.Which fraction is greater: 2/9 or 6/7? (a) They are equal (b) 2/9 (c) 6/7
  23. 23.Which fraction is greater: 4/9 or 5/8? (a) 5/8 (b) 4/9 (c) They are equal
  24. 24.Which fraction is greater: 2/9 or 1/5? (a) 2/9 (b) 1/5 (c) They are equal
  25. 25.Which fraction is greater: 4/5 or 9/11? (a) 4/5 (b) 9/11 (c) They are equal
  26. 26.2/3 + 1/2 = ? (a) 3/5 (b) 7/6 (c) 4/3 (d) 1
  27. 27.3/6 + 1/8 = ? (a) 2/3 (b) 5/8 (c) 2/7 (d) 7/12
  28. 28.What is 1/4 of 32? (a) 24 (b) 8 (c) 9 (d) 16
  29. 29.What is 2/3 of 12? (a) 8 (b) 9 (c) 4 (d) 12
  30. 30.Which fraction is greater: 3/5 or 5/9? (a) 3/5 (b) 5/9 (c) They are equal
  31. 31.Which fraction is greater: 5/7 or 1/6? (a) They are equal (b) 1/6 (c) 5/7
  32. 32.1/6 + 1/4 = ? (a) 1/5 (b) 5/12 (c) 1/2 (d) 1/3
  33. 33.Which fraction is greater: 1/4 or 3/11? (a) They are equal (b) 1/4 (c) 3/11
  34. 34.Which fraction is greater: 3/7 or 7/8? (a) They are equal (b) 7/8 (c) 3/7
  35. 35.Which fraction is greater: 9/10 or 1/4? (a) 1/4 (b) 9/10 (c) They are equal
  36. 36.Which fraction is greater: 1/9 or 1/10? (a) They are equal (b) 1/10 (c) 1/9
  37. 37.Which fraction is greater: 2/7 or 1/5? (a) 1/5 (b) 2/7 (c) They are equal
  38. 38.Which fraction is greater: 1/4 or 2/5? (a) 1/4 (b) They are equal (c) 2/5
  39. 39.What is 1/2 of 10? (a) 6 (b) 5 (c) 4 (d) 10
  40. 40.What is 1/3 of 27? (a) 8 (b) 9 (c) 18 (d) 10

Answer key

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

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