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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 109 · 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. 1.1/3 + 8/9 = ? (a) 4/3 (b) 11/9 (c) 10/9 (d) 3/4
  2. 2.1/5 + 6/7 = ? (a) 38/35 (b) 36/35 (c) 37/35 (d) 7/12
  3. 3.What is 1/3 of 9? (a) 4 (b) 6 (c) 3 (d) 2
  4. 4.What is 1/8 of 56? (a) 8 (b) 7 (c) 14 (d) 49
  5. 5.2/7 + 2/3 = ? (a) 19/21 (b) 1 (c) 20/21 (d) 2/5
  6. 6.What is 1/2 of 12? (a) 7 (b) 12 (c) 5 (d) 6
  7. 7.Which fraction is greater: 1/6 or 2/3? (a) 1/6 (b) 2/3 (c) They are equal
  8. 8.What is 3/5 of 45? (a) 27 (b) 18 (c) 9 (d) 36
  9. 9.What is 5/9 of 36? (a) 16 (b) 20 (c) 4 (d) 24
  10. 10.1/2 + 1/3 = ? (a) 1 (b) 5/6 (c) 2/3 (d) 2/5
  11. 11.1/7 + 2/3 = ? (a) 6/7 (b) 17/21 (c) 16/21 (d) 3/10
  12. 12.1/2 + 2/3 = ? (a) 7/6 (b) 1 (c) 4/3 (d) 3/5
  13. 13.1/3 + 3/4 = ? (a) 4/7 (b) 1 (c) 13/12 (d) 7/6
  14. 14.Which fraction is greater: 4/5 or 3/8? (a) 3/8 (b) 4/5 (c) They are equal
  15. 15.Which fraction is greater: 7/11 or 1/4? (a) 7/11 (b) They are equal (c) 1/4
  16. 16.2/4 + 6/7 = ? (a) 39/28 (b) 19/14 (c) 37/28 (d) 8/11
  17. 17.1/5 + 4/6 = ? (a) 5/11 (b) 9/10 (c) 13/15 (d) 5/6
  18. 18.What is 2/7 of 70? (a) 10 (b) 50 (c) 20 (d) 30
  19. 19.4/5 + 1/2 = ? (a) 5/7 (b) 6/5 (c) 13/10 (d) 7/5
  20. 20.Which fraction is greater: 10/11 or 2/5? (a) They are equal (b) 10/11 (c) 2/5
  21. 21.Which fraction is greater: 1/9 or 5/6? (a) 5/6 (b) 1/9 (c) They are equal
  22. 22.What is 2/3 of 33? (a) 23 (b) 33 (c) 11 (d) 22
  23. 23.What is 1/2 of 8? (a) 4 (b) 5 (c) 8 (d) 3
  24. 24.What is 2/5 of 30? (a) 18 (b) 13 (c) 6 (d) 12
  25. 25.1/2 + 6/9 = ? (a) 7/11 (b) 11/9 (c) 7/6 (d) 10/9
  26. 26.8/9 + 1/2 = ? (a) 25/18 (b) 13/9 (c) 4/3 (d) 9/11
  27. 27.3/8 + 1/4 = ? (a) 1/2 (b) 1/3 (c) 5/8 (d) 3/4
  28. 28.1/2 + 1/5 = ? (a) 2/7 (b) 7/10 (c) 3/5 (d) 4/5
  29. 29.What is 3/5 of 10? (a) 2 (b) 4 (c) 6 (d) 8
  30. 30.Which fraction is greater: 2/9 or 3/5? (a) 3/5 (b) 2/9 (c) They are equal
  31. 31.7/8 + 1/3 = ? (a) 29/24 (b) 5/4 (c) 7/6 (d) 8/11
  32. 32.What is 4/7 of 84? (a) 60 (b) 36 (c) 48 (d) 12
  33. 33.2/6 + 1/5 = ? (a) 1/2 (b) 3/11 (c) 17/30 (d) 8/15
  34. 34.Which fraction is greater: 1/3 or 5/8? (a) They are equal (b) 5/8 (c) 1/3
  35. 35.4/6 + 1/2 = ? (a) 1 (b) 4/3 (c) 7/6 (d) 5/8
  36. 36.What is 2/5 of 55? (a) 22 (b) 11 (c) 23 (d) 33
  37. 37.Which fraction is greater: 2/3 or 1/6? (a) They are equal (b) 1/6 (c) 2/3
  38. 38.What is 5/9 of 108? (a) 72 (b) 60 (c) 48 (d) 12
  39. 39.Which fraction is greater: 7/12 or 4/11? (a) 4/11 (b) 7/12 (c) They are equal
  40. 40.1/6 + 1/3 = ? (a) 1/3 (b) 2/3 (c) 2/9 (d) 1/2

Answer key

  1. 11/9
  2. 37/35
  3. 3
  4. 7
  5. 20/21
  6. 6
  7. 2/3
  8. 27
  9. 20
  10. 5/6
  11. 17/21
  12. 7/6
  13. 13/12
  14. 4/5
  15. 7/11
  16. 19/14
  17. 13/15
  18. 20
  19. 13/10
  20. 10/11
  21. 5/6
  22. 22
  23. 4
  24. 12
  25. 7/6
  26. 25/18
  27. 5/8
  28. 7/10
  29. 6
  30. 3/5
  31. 29/24
  32. 48
  33. 8/15
  34. 5/8
  35. 7/6
  36. 22
  37. 2/3
  38. 60
  39. 7/12
  40. 1/2

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