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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 666 · 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: 1/10 or 2/7? (a) They are equal (b) 1/10 (c) 2/7
  2. 2.Which fraction is greater: 1/3 or 1/7? (a) 1/3 (b) They are equal (c) 1/7
  3. 3.What is 1/6 of 42? (a) 14 (b) 35 (c) 8 (d) 7
  4. 4.Which fraction is greater: 1/3 or 1/5? (a) 1/3 (b) 1/5 (c) They are equal
  5. 5.What is 2/3 of 24? (a) 8 (b) 24 (c) 16 (d) 17
  6. 6.6/9 + 2/3 = ? (a) 4/3 (b) 13/9 (c) 11/9 (d) 2/3
  7. 7.What is 4/9 of 18? (a) 10 (b) 9 (c) 2 (d) 8
  8. 8.3/4 + 1/2 = ? (a) 3/2 (b) 1 (c) 5/4 (d) 2/3
  9. 9.Which fraction is greater: 5/8 or 2/3? (a) They are equal (b) 5/8 (c) 2/3
  10. 10.1/3 + 3/5 = ? (a) 14/15 (b) 13/15 (c) 1 (d) 1/2
  11. 11.What is 1/2 of 10? (a) 5 (b) 10 (c) 6 (d) 4
  12. 12.1/7 + 1/2 = ? (a) 9/14 (b) 5/7 (c) 4/7 (d) 2/9
  13. 13.3/5 + 1/2 = ? (a) 11/10 (b) 1 (c) 4/7 (d) 6/5
  14. 14.3/9 + 1/2 = ? (a) 4/11 (b) 7/9 (c) 8/9 (d) 5/6
  15. 15.Which fraction is greater: 7/9 or 1/3? (a) They are equal (b) 7/9 (c) 1/3
  16. 16.2/8 + 1/2 = ? (a) 3/10 (b) 7/8 (c) 3/4 (d) 5/8
  17. 17.Which fraction is greater: 1/7 or 1/4? (a) 1/4 (b) They are equal (c) 1/7
  18. 18.What is 5/9 of 54? (a) 6 (b) 36 (c) 24 (d) 30
  19. 19.What is 4/7 of 84? (a) 60 (b) 12 (c) 36 (d) 48
  20. 20.Which fraction is greater: 2/7 or 2/11? (a) They are equal (b) 2/11 (c) 2/7
  21. 21.2/4 + 2/4 = ? (a) 3/4 (b) 1 (c) 5/4 (d) 1/2
  22. 22.What is 7/8 of 80? (a) 80 (b) 71 (c) 70 (d) 10
  23. 23.Which fraction is greater: 2/3 or 1/5? (a) They are equal (b) 1/5 (c) 2/3
  24. 24.What is 2/3 of 15? (a) 5 (b) 15 (c) 11 (d) 10
  25. 25.6/7 + 1/2 = ? (a) 10/7 (b) 9/7 (c) 7/9 (d) 19/14
  26. 26.What is 5/6 of 54? (a) 9 (b) 54 (c) 46 (d) 45
  27. 27.1/2 + 4/6 = ? (a) 1 (b) 7/6 (c) 4/3 (d) 5/8
  28. 28.What is 1/3 of 6? (a) 4 (b) 3 (c) 2 (d) 1
  29. 29.What is 2/5 of 60? (a) 24 (b) 25 (c) 12 (d) 36
  30. 30.1/2 + 1/2 = ? (a) 2 (b) 1 (c) 1/2 (d) 3/2
  31. 31.Which fraction is greater: 6/11 or 5/7? (a) They are equal (b) 5/7 (c) 6/11
  32. 32.What is 1/5 of 50? (a) 11 (b) 20 (c) 40 (d) 10
  33. 33.Which fraction is greater: 3/4 or 5/6? (a) 3/4 (b) 5/6 (c) They are equal
  34. 34.5/9 + 2/3 = ? (a) 4/3 (b) 7/12 (c) 10/9 (d) 11/9
  35. 35.Which fraction is greater: 6/7 or 7/12? (a) 7/12 (b) 6/7 (c) They are equal
  36. 36.What is 2/5 of 15? (a) 7 (b) 3 (c) 9 (d) 6
  37. 37.What is 1/2 of 24? (a) 24 (b) 13 (c) 11 (d) 12
  38. 38.2/4 + 1/2 = ? (a) 1 (b) 1/2 (c) 5/4 (d) 3/4
  39. 39.5/8 + 1/4 = ? (a) 7/8 (b) 1/2 (c) 3/4 (d) 1
  40. 40.Which fraction is greater: 5/6 or 11/12? (a) 11/12 (b) They are equal (c) 5/6

Answer key

  1. 2/7
  2. 1/3
  3. 7
  4. 1/3
  5. 16
  6. 4/3
  7. 8
  8. 5/4
  9. 2/3
  10. 14/15
  11. 5
  12. 9/14
  13. 11/10
  14. 5/6
  15. 7/9
  16. 3/4
  17. 1/4
  18. 30
  19. 48
  20. 2/7
  21. 1
  22. 70
  23. 2/3
  24. 10
  25. 19/14
  26. 45
  27. 7/6
  28. 2
  29. 24
  30. 1
  31. 5/7
  32. 10
  33. 5/6
  34. 11/9
  35. 6/7
  36. 6
  37. 12
  38. 1
  39. 7/8
  40. 11/12

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