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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 702 · 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 2/3 of 12? (a) 12 (b) 4 (c) 8 (d) 9
  2. 2.1/2 + 4/6 = ? (a) 4/3 (b) 7/6 (c) 5/8 (d) 1
  3. 3.4/5 + 1/3 = ? (a) 16/15 (b) 6/5 (c) 5/8 (d) 17/15
  4. 4.Which fraction is greater: 4/9 or 3/5? (a) They are equal (b) 4/9 (c) 3/5
  5. 5.1/3 + 2/3 = ? (a) 4/3 (b) 1/2 (c) 1 (d) 2/3
  6. 6.1/2 + 4/5 = ? (a) 7/5 (b) 13/10 (c) 6/5 (d) 5/7
  7. 7.8/9 + 1/2 = ? (a) 4/3 (b) 9/11 (c) 13/9 (d) 25/18
  8. 8.8/9 + 3/6 = ? (a) 4/3 (b) 11/15 (c) 25/18 (d) 13/9
  9. 9.What is 2/3 of 18? (a) 13 (b) 6 (c) 18 (d) 12
  10. 10.Which fraction is greater: 1/5 or 7/10? (a) 1/5 (b) 7/10 (c) They are equal
  11. 11.What is 3/7 of 70? (a) 10 (b) 31 (c) 40 (d) 30
  12. 12.1/2 + 7/9 = ? (a) 23/18 (b) 4/3 (c) 11/9 (d) 8/11
  13. 13.Which fraction is greater: 1/8 or 9/11? (a) 9/11 (b) 1/8 (c) They are equal
  14. 14.1/3 + 2/6 = ? (a) 5/6 (b) 2/3 (c) 1/3 (d) 1/2
  15. 15.2/5 + 1/4 = ? (a) 1/3 (b) 7/10 (c) 13/20 (d) 3/5
  16. 16.What is 1/4 of 16? (a) 5 (b) 8 (c) 12 (d) 4
  17. 17.Which fraction is greater: 4/9 or 2/5? (a) 2/5 (b) 4/9 (c) They are equal
  18. 18.Which fraction is greater: 1/4 or 3/7? (a) 3/7 (b) 1/4 (c) They are equal
  19. 19.What is 1/6 of 54? (a) 9 (b) 10 (c) 45 (d) 18
  20. 20.What is 2/7 of 49? (a) 21 (b) 14 (c) 7 (d) 35
  21. 21.Which fraction is greater: 5/9 or 3/4? (a) 5/9 (b) They are equal (c) 3/4
  22. 22.5/8 + 1/8 = ? (a) 5/8 (b) 3/4 (c) 3/8 (d) 7/8
  23. 23.What is 2/7 of 21? (a) 15 (b) 9 (c) 3 (d) 6
  24. 24.Which fraction is greater: 4/7 or 3/4? (a) 4/7 (b) They are equal (c) 3/4
  25. 25.Which fraction is greater: 1/5 or 3/4? (a) They are equal (b) 3/4 (c) 1/5
  26. 26.What is 1/2 of 8? (a) 3 (b) 5 (c) 4 (d) 8
  27. 27.What is 1/2 of 24? (a) 13 (b) 12 (c) 24 (d) 11
  28. 28.1/5 + 2/3 = ? (a) 3/8 (b) 13/15 (c) 4/5 (d) 14/15
  29. 29.What is 5/6 of 54? (a) 45 (b) 46 (c) 9 (d) 54
  30. 30.What is 1/3 of 18? (a) 12 (b) 6 (c) 7 (d) 5
  31. 31.Which fraction is greater: 9/11 or 3/7? (a) 9/11 (b) 3/7 (c) They are equal
  32. 32.What is 1/4 of 8? (a) 4 (b) 2 (c) 6 (d) 3
  33. 33.8/9 + 3/4 = ? (a) 59/36 (b) 5/3 (c) 11/13 (d) 29/18
  34. 34.4/8 + 2/6 = ? (a) 7/8 (b) 3/7 (c) 19/24 (d) 5/6
  35. 35.What is 2/3 of 33? (a) 33 (b) 23 (c) 11 (d) 22
  36. 36.Which fraction is greater: 3/11 or 4/5? (a) They are equal (b) 3/11 (c) 4/5
  37. 37.3/6 + 1/3 = ? (a) 4/9 (b) 1 (c) 5/6 (d) 2/3
  38. 38.1/2 + 3/4 = ? (a) 2/3 (b) 5/4 (c) 3/2 (d) 1
  39. 39.Which fraction is greater: 1/10 or 4/9? (a) 4/9 (b) 1/10 (c) They are equal
  40. 40.What is 1/3 of 33? (a) 12 (b) 10 (c) 22 (d) 11

Answer key

  1. 8
  2. 7/6
  3. 17/15
  4. 3/5
  5. 1
  6. 13/10
  7. 25/18
  8. 25/18
  9. 12
  10. 7/10
  11. 30
  12. 23/18
  13. 9/11
  14. 2/3
  15. 13/20
  16. 4
  17. 4/9
  18. 3/7
  19. 9
  20. 14
  21. 3/4
  22. 3/4
  23. 6
  24. 3/4
  25. 3/4
  26. 4
  27. 12
  28. 13/15
  29. 45
  30. 6
  31. 9/11
  32. 2
  33. 59/36
  34. 5/6
  35. 22
  36. 4/5
  37. 5/6
  38. 5/4
  39. 4/9
  40. 11

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