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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 886 · 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: 1/5 or 2/3? (a) They are equal (b) 2/3 (c) 1/5
  2. 2.Which fraction is greater: 7/9 or 2/11? (a) They are equal (b) 2/11 (c) 7/9
  3. 3.1/3 + 1/2 = ? (a) 2/5 (b) 5/6 (c) 1 (d) 2/3
  4. 4.What is 1/3 of 27? (a) 18 (b) 9 (c) 10 (d) 8
  5. 5.1/2 + 1/4 = ? (a) 1/3 (b) 1 (c) 3/4 (d) 1/2
  6. 6.2/3 + 3/7 = ? (a) 22/21 (b) 23/21 (c) 1/2 (d) 8/7
  7. 7.1/4 + 2/7 = ? (a) 15/28 (b) 1/2 (c) 3/11 (d) 4/7
  8. 8.What is 1/2 of 12? (a) 5 (b) 7 (c) 6 (d) 12
  9. 9.2/3 + 4/7 = ? (a) 25/21 (b) 26/21 (c) 3/5 (d) 9/7
  10. 10.Which fraction is greater: 1/7 or 1/5? (a) 1/7 (b) 1/5 (c) They are equal
  11. 11.What is 4/7 of 28? (a) 4 (b) 12 (c) 20 (d) 16
  12. 12.1/3 + 1/4 = ? (a) 2/3 (b) 2/7 (c) 1/2 (d) 7/12
  13. 13.5/6 + 2/8 = ? (a) 9/8 (b) 1/2 (c) 13/12 (d) 25/24
  14. 14.1/2 + 1/7 = ? (a) 4/7 (b) 5/7 (c) 2/9 (d) 9/14
  15. 15.What is 3/5 of 15? (a) 3 (b) 6 (c) 12 (d) 9
  16. 16.2/3 + 2/9 = ? (a) 1/3 (b) 7/9 (c) 8/9 (d) 1
  17. 17.Which fraction is greater: 1/4 or 5/8? (a) 1/4 (b) 5/8 (c) They are equal
  18. 18.1/7 + 1/4 = ? (a) 5/14 (b) 3/7 (c) 11/28 (d) 2/11
  19. 19.4/5 + 1/3 = ? (a) 16/15 (b) 5/8 (c) 17/15 (d) 6/5
  20. 20.Which fraction is greater: 7/12 or 3/4? (a) They are equal (b) 3/4 (c) 7/12
  21. 21.What is 3/8 of 24? (a) 3 (b) 12 (c) 9 (d) 15
  22. 22.Which fraction is greater: 4/5 or 3/4? (a) They are equal (b) 3/4 (c) 4/5
  23. 23.Which fraction is greater: 1/12 or 1/5? (a) 1/5 (b) They are equal (c) 1/12
  24. 24.Which fraction is greater: 3/7 or 2/9? (a) 2/9 (b) They are equal (c) 3/7
  25. 25.What is 8/9 of 99? (a) 11 (b) 89 (c) 99 (d) 88
  26. 26.3/6 + 2/3 = ? (a) 5/9 (b) 1 (c) 4/3 (d) 7/6
  27. 27.Which fraction is greater: 7/9 or 5/12? (a) They are equal (b) 5/12 (c) 7/9
  28. 28.What is 1/6 of 18? (a) 4 (b) 6 (c) 15 (d) 3
  29. 29.2/7 + 4/5 = ? (a) 37/35 (b) 38/35 (c) 39/35 (d) 1/2
  30. 30.1/2 + 2/5 = ? (a) 4/5 (b) 9/10 (c) 1 (d) 3/7
  31. 31.Which fraction is greater: 2/5 or 1/6? (a) They are equal (b) 2/5 (c) 1/6
  32. 32.Which fraction is greater: 7/11 or 3/8? (a) 3/8 (b) 7/11 (c) They are equal
  33. 33.2/3 + 2/3 = ? (a) 2/3 (b) 5/3 (c) 1 (d) 4/3
  34. 34.Which fraction is greater: 4/5 or 9/10? (a) They are equal (b) 4/5 (c) 9/10
  35. 35.7/8 + 2/4 = ? (a) 3/2 (b) 11/8 (c) 3/4 (d) 5/4
  36. 36.1/2 + 2/3 = ? (a) 3/5 (b) 1 (c) 7/6 (d) 4/3
  37. 37.Which fraction is greater: 1/11 or 3/4? (a) They are equal (b) 1/11 (c) 3/4
  38. 38.What is 1/2 of 22? (a) 10 (b) 11 (c) 12 (d) 22
  39. 39.What is 4/5 of 50? (a) 40 (b) 10 (c) 41 (d) 50
  40. 40.What is 3/4 of 36? (a) 36 (b) 9 (c) 27 (d) 28

Answer key

  1. 2/3
  2. 7/9
  3. 5/6
  4. 9
  5. 3/4
  6. 23/21
  7. 15/28
  8. 6
  9. 26/21
  10. 1/5
  11. 16
  12. 7/12
  13. 13/12
  14. 9/14
  15. 9
  16. 8/9
  17. 5/8
  18. 11/28
  19. 17/15
  20. 3/4
  21. 9
  22. 4/5
  23. 1/5
  24. 3/7
  25. 88
  26. 7/6
  27. 7/9
  28. 3
  29. 38/35
  30. 9/10
  31. 2/5
  32. 7/11
  33. 4/3
  34. 9/10
  35. 11/8
  36. 7/6
  37. 3/4
  38. 11
  39. 40
  40. 27

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