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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 66 · 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.What is 1/2 of 10? (a) 6 (b) 4 (c) 10 (d) 5
  2. 2.1/4 + 1/2 = ? (a) 1 (b) 1/3 (c) 1/2 (d) 3/4
  3. 3.2/3 + 1/4 = ? (a) 1 (b) 11/12 (c) 3/7 (d) 5/6
  4. 4.2/4 + 1/2 = ? (a) 1/2 (b) 1 (c) 3/4 (d) 5/4
  5. 5.Which fraction is greater: 5/9 or 2/7? (a) They are equal (b) 2/7 (c) 5/9
  6. 6.2/8 + 5/6 = ? (a) 25/24 (b) 13/12 (c) 1/2 (d) 9/8
  7. 7.Which fraction is greater: 1/3 or 1/12? (a) They are equal (b) 1/3 (c) 1/12
  8. 8.What is 7/9 of 36? (a) 28 (b) 8 (c) 32 (d) 4
  9. 9.1/6 + 4/5 = ? (a) 29/30 (b) 1 (c) 5/11 (d) 14/15
  10. 10.What is 2/7 of 28? (a) 20 (b) 12 (c) 4 (d) 8
  11. 11.What is 2/3 of 18? (a) 6 (b) 12 (c) 13 (d) 18
  12. 12.5/9 + 1/6 = ? (a) 2/5 (b) 7/9 (c) 2/3 (d) 13/18
  13. 13.What is 2/3 of 15? (a) 15 (b) 10 (c) 11 (d) 5
  14. 14.Which fraction is greater: 2/5 or 2/3? (a) 2/5 (b) They are equal (c) 2/3
  15. 15.Which fraction is greater: 5/9 or 1/7? (a) 1/7 (b) 5/9 (c) They are equal
  16. 16.3/6 + 3/5 = ? (a) 16/15 (b) 11/10 (c) 6/11 (d) 17/15
  17. 17.Which fraction is greater: 2/11 or 1/5? (a) 1/5 (b) 2/11 (c) They are equal
  18. 18.What is 1/2 of 16? (a) 9 (b) 7 (c) 16 (d) 8
  19. 19.What is 2/3 of 27? (a) 18 (b) 9 (c) 27 (d) 19
  20. 20.4/9 + 2/6 = ? (a) 7/9 (b) 2/5 (c) 5/6 (d) 13/18
  21. 21.Which fraction is greater: 4/5 or 5/9? (a) 4/5 (b) They are equal (c) 5/9
  22. 22.1/3 + 4/5 = ? (a) 6/5 (b) 16/15 (c) 17/15 (d) 5/8
  23. 23.2/6 + 1/2 = ? (a) 3/8 (b) 2/3 (c) 5/6 (d) 1
  24. 24.3/9 + 8/9 = ? (a) 10/9 (b) 11/18 (c) 4/3 (d) 11/9
  25. 25.What is 1/5 of 10? (a) 8 (b) 4 (c) 3 (d) 2
  26. 26.What is 1/4 of 44? (a) 11 (b) 33 (c) 22 (d) 12
  27. 27.1/2 + 1/7 = ? (a) 2/9 (b) 4/7 (c) 5/7 (d) 9/14
  28. 28.Which fraction is greater: 1/11 or 1/4? (a) They are equal (b) 1/4 (c) 1/11
  29. 29.Which fraction is greater: 3/7 or 1/6? (a) 1/6 (b) 3/7 (c) They are equal
  30. 30.Which fraction is greater: 9/11 or 1/3? (a) They are equal (b) 9/11 (c) 1/3
  31. 31.1/9 + 1/2 = ? (a) 2/11 (b) 5/9 (c) 11/18 (d) 2/3
  32. 32.What is 1/5 of 20? (a) 8 (b) 4 (c) 16 (d) 5
  33. 33.2/3 + 5/9 = ? (a) 4/3 (b) 11/9 (c) 7/12 (d) 10/9
  34. 34.1/4 + 4/6 = ? (a) 1/2 (b) 11/12 (c) 5/6 (d) 1
  35. 35.Which fraction is greater: 2/3 or 2/7? (a) 2/7 (b) They are equal (c) 2/3
  36. 36.Which fraction is greater: 1/8 or 2/11? (a) 2/11 (b) 1/8 (c) They are equal
  37. 37.Which fraction is greater: 5/6 or 2/5? (a) They are equal (b) 2/5 (c) 5/6
  38. 38.1/2 + 1/4 = ? (a) 1/2 (b) 1 (c) 1/3 (d) 3/4
  39. 39.Which fraction is greater: 3/4 or 1/5? (a) 3/4 (b) 1/5 (c) They are equal
  40. 40.What is 5/6 of 42? (a) 35 (b) 36 (c) 42 (d) 7

Answer key

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

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