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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 300 · 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 8? (a) 3 (b) 8 (c) 5 (d) 4
  2. 2.1/9 + 3/4 = ? (a) 4/13 (b) 31/36 (c) 8/9 (d) 5/6
  3. 3.1/5 + 1/5 = ? (a) 1/5 (b) 4/5 (c) 3/5 (d) 2/5
  4. 4.What is 1/4 of 28? (a) 7 (b) 8 (c) 14 (d) 21
  5. 5.Which fraction is greater: 2/5 or 2/3? (a) 2/5 (b) 2/3 (c) They are equal
  6. 6.Which fraction is greater: 8/9 or 5/6? (a) They are equal (b) 5/6 (c) 8/9
  7. 7.3/9 + 1/3 = ? (a) 1/3 (b) 2/3 (c) 5/9 (d) 7/9
  8. 8.2/8 + 1/3 = ? (a) 5/8 (b) 3/11 (c) 13/24 (d) 7/12
  9. 9.Which fraction is greater: 1/5 or 6/7? (a) 1/5 (b) They are equal (c) 6/7
  10. 10.1/5 + 2/6 = ? (a) 8/15 (b) 3/11 (c) 1/2 (d) 17/30
  11. 11.What is 1/3 of 33? (a) 10 (b) 11 (c) 22 (d) 12
  12. 12.Which fraction is greater: 2/5 or 4/7? (a) They are equal (b) 2/5 (c) 4/7
  13. 13.3/4 + 7/9 = ? (a) 10/13 (b) 55/36 (c) 14/9 (d) 3/2
  14. 14.1/4 + 1/5 = ? (a) 1/2 (b) 2/5 (c) 9/20 (d) 2/9
  15. 15.5/6 + 2/3 = ? (a) 7/9 (b) 4/3 (c) 3/2 (d) 5/3
  16. 16.What is 1/2 of 18? (a) 9 (b) 10 (c) 8 (d) 18
  17. 17.What is 5/7 of 42? (a) 12 (b) 30 (c) 6 (d) 36
  18. 18.Which fraction is greater: 3/4 or 7/9? (a) They are equal (b) 7/9 (c) 3/4
  19. 19.What is 7/9 of 27? (a) 6 (b) 21 (c) 24 (d) 3
  20. 20.What is 1/2 of 22? (a) 12 (b) 11 (c) 10 (d) 22
  21. 21.1/9 + 2/4 = ? (a) 11/18 (b) 23/36 (c) 7/12 (d) 3/13
  22. 22.Which fraction is greater: 2/3 or 5/7? (a) 2/3 (b) 5/7 (c) They are equal
  23. 23.Which fraction is greater: 8/9 or 2/7? (a) They are equal (b) 8/9 (c) 2/7
  24. 24.1/2 + 1/2 = ? (a) 3/2 (b) 2 (c) 1/2 (d) 1
  25. 25.What is 1/4 of 20? (a) 10 (b) 5 (c) 15 (d) 6
  26. 26.Which fraction is greater: 1/5 or 2/7? (a) They are equal (b) 2/7 (c) 1/5
  27. 27.Which fraction is greater: 1/3 or 3/4? (a) 1/3 (b) 3/4 (c) They are equal
  28. 28.1/4 + 4/7 = ? (a) 23/28 (b) 5/11 (c) 11/14 (d) 6/7
  29. 29.What is 4/5 of 30? (a) 25 (b) 6 (c) 30 (d) 24
  30. 30.1/6 + 1/2 = ? (a) 1/2 (b) 5/6 (c) 2/3 (d) 1/4
  31. 31.What is 1/2 of 24? (a) 11 (b) 13 (c) 24 (d) 12
  32. 32.1/5 + 1/3 = ? (a) 3/5 (b) 8/15 (c) 1/4 (d) 7/15
  33. 33.Which fraction is greater: 8/11 or 2/7? (a) They are equal (b) 2/7 (c) 8/11
  34. 34.What is 3/5 of 40? (a) 24 (b) 32 (c) 8 (d) 16
  35. 35.1/3 + 1/7 = ? (a) 11/21 (b) 3/7 (c) 10/21 (d) 1/5
  36. 36.Which fraction is greater: 1/3 or 3/8? (a) 1/3 (b) 3/8 (c) They are equal
  37. 37.Which fraction is greater: 3/10 or 1/6? (a) 1/6 (b) They are equal (c) 3/10
  38. 38.What is 3/4 of 16? (a) 13 (b) 12 (c) 4 (d) 16
  39. 39.Which fraction is greater: 1/4 or 1/12? (a) 1/12 (b) 1/4 (c) They are equal
  40. 40.Which fraction is greater: 4/9 or 11/12? (a) 4/9 (b) They are equal (c) 11/12

Answer key

  1. 4
  2. 31/36
  3. 2/5
  4. 7
  5. 2/3
  6. 8/9
  7. 2/3
  8. 7/12
  9. 6/7
  10. 8/15
  11. 11
  12. 4/7
  13. 55/36
  14. 9/20
  15. 3/2
  16. 9
  17. 30
  18. 7/9
  19. 21
  20. 11
  21. 11/18
  22. 5/7
  23. 8/9
  24. 1
  25. 5
  26. 2/7
  27. 3/4
  28. 23/28
  29. 24
  30. 2/3
  31. 12
  32. 8/15
  33. 8/11
  34. 24
  35. 10/21
  36. 3/8
  37. 3/10
  38. 12
  39. 1/4
  40. 11/12

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