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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 39 · 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: 3/5 or 1/8? (a) 3/5 (b) They are equal (c) 1/8
  2. 2.What is 1/3 of 18? (a) 12 (b) 7 (c) 5 (d) 6
  3. 3.What is 1/7 of 35? (a) 10 (b) 30 (c) 5 (d) 6
  4. 4.1/2 + 1/8 = ? (a) 1/5 (b) 3/4 (c) 1/2 (d) 5/8
  5. 5.1/5 + 1/6 = ? (a) 2/11 (b) 2/5 (c) 11/30 (d) 1/3
  6. 6.Which fraction is greater: 1/3 or 4/7? (a) 1/3 (b) They are equal (c) 4/7
  7. 7.Which fraction is greater: 4/5 or 4/7? (a) 4/5 (b) 4/7 (c) They are equal
  8. 8.1/2 + 5/9 = ? (a) 19/18 (b) 6/11 (c) 1 (d) 10/9
  9. 9.5/9 + 8/9 = ? (a) 14/9 (b) 13/18 (c) 4/3 (d) 13/9
  10. 10.1/2 + 1/2 = ? (a) 2 (b) 3/2 (c) 1 (d) 1/2
  11. 11.What is 1/2 of 6? (a) 4 (b) 2 (c) 6 (d) 3
  12. 12.4/6 + 4/5 = ? (a) 8/11 (b) 22/15 (c) 3/2 (d) 43/30
  13. 13.What is 6/7 of 77? (a) 67 (b) 11 (c) 77 (d) 66
  14. 14.What is 5/6 of 66? (a) 66 (b) 11 (c) 55 (d) 56
  15. 15.What is 1/8 of 32? (a) 4 (b) 8 (c) 28 (d) 5
  16. 16.2/3 + 7/9 = ? (a) 13/9 (b) 14/9 (c) 4/3 (d) 3/4
  17. 17.2/5 + 4/7 = ? (a) 1 (b) 33/35 (c) 34/35 (d) 1/2
  18. 18.Which fraction is greater: 8/11 or 2/3? (a) 2/3 (b) 8/11 (c) They are equal
  19. 19.Which fraction is greater: 1/6 or 5/7? (a) 5/7 (b) 1/6 (c) They are equal
  20. 20.Which fraction is greater: 5/6 or 5/7? (a) 5/6 (b) They are equal (c) 5/7
  21. 21.Which fraction is greater: 3/11 or 2/5? (a) 2/5 (b) They are equal (c) 3/11
  22. 22.1/2 + 3/4 = ? (a) 1 (b) 3/2 (c) 2/3 (d) 5/4
  23. 23.1/2 + 1/4 = ? (a) 1/3 (b) 1 (c) 3/4 (d) 1/2
  24. 24.Which fraction is greater: 3/11 or 2/9? (a) They are equal (b) 3/11 (c) 2/9
  25. 25.Which fraction is greater: 2/9 or 1/7? (a) They are equal (b) 1/7 (c) 2/9
  26. 26.Which fraction is greater: 6/7 or 1/9? (a) 6/7 (b) 1/9 (c) They are equal
  27. 27.1/4 + 3/7 = ? (a) 5/7 (b) 9/14 (c) 4/11 (d) 19/28
  28. 28.Which fraction is greater: 3/4 or 4/9? (a) They are equal (b) 3/4 (c) 4/9
  29. 29.What is 2/9 of 27? (a) 6 (b) 21 (c) 3 (d) 9
  30. 30.Which fraction is greater: 4/5 or 1/6? (a) 1/6 (b) 4/5 (c) They are equal
  31. 31.2/3 + 1/7 = ? (a) 17/21 (b) 3/10 (c) 16/21 (d) 6/7
  32. 32.What is 8/9 of 27? (a) 3 (b) 27 (c) 25 (d) 24
  33. 33.1/3 + 1/4 = ? (a) 2/3 (b) 1/2 (c) 2/7 (d) 7/12
  34. 34.Which fraction is greater: 1/12 or 1/5? (a) 1/12 (b) They are equal (c) 1/5
  35. 35.What is 4/5 of 40? (a) 40 (b) 8 (c) 33 (d) 32
  36. 36.What is 7/8 of 48? (a) 6 (b) 48 (c) 42 (d) 43
  37. 37.2/3 + 3/7 = ? (a) 22/21 (b) 8/7 (c) 23/21 (d) 1/2
  38. 38.What is 3/4 of 12? (a) 9 (b) 10 (c) 3 (d) 12
  39. 39.Which fraction is greater: 3/8 or 4/9? (a) 3/8 (b) 4/9 (c) They are equal
  40. 40.3/4 + 2/9 = ? (a) 35/36 (b) 17/18 (c) 1 (d) 5/13

Answer key

  1. 3/5
  2. 6
  3. 5
  4. 5/8
  5. 11/30
  6. 4/7
  7. 4/5
  8. 19/18
  9. 13/9
  10. 1
  11. 3
  12. 22/15
  13. 66
  14. 55
  15. 4
  16. 13/9
  17. 34/35
  18. 8/11
  19. 5/7
  20. 5/6
  21. 2/5
  22. 5/4
  23. 3/4
  24. 3/11
  25. 2/9
  26. 6/7
  27. 19/28
  28. 3/4
  29. 6
  30. 4/5
  31. 17/21
  32. 24
  33. 7/12
  34. 1/5
  35. 32
  36. 42
  37. 23/21
  38. 9
  39. 4/9
  40. 35/36

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