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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 656 · 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: 5/8 or 3/4? (a) 5/8 (b) 3/4 (c) They are equal
  2. 2.1/4 + 1/2 = ? (a) 1/2 (b) 1 (c) 1/3 (d) 3/4
  3. 3.What is 1/2 of 18? (a) 9 (b) 8 (c) 10 (d) 18
  4. 4.1/3 + 3/5 = ? (a) 1 (b) 13/15 (c) 1/2 (d) 14/15
  5. 5.Which fraction is greater: 2/3 or 2/7? (a) 2/7 (b) 2/3 (c) They are equal
  6. 6.4/6 + 1/2 = ? (a) 1 (b) 5/8 (c) 7/6 (d) 4/3
  7. 7.Which fraction is greater: 5/12 or 2/9? (a) They are equal (b) 2/9 (c) 5/12
  8. 8.What is 2/5 of 45? (a) 19 (b) 27 (c) 18 (d) 9
  9. 9.Which fraction is greater: 2/11 or 1/5? (a) 1/5 (b) They are equal (c) 2/11
  10. 10.Which fraction is greater: 1/11 or 4/5? (a) They are equal (b) 1/11 (c) 4/5
  11. 11.1/2 + 1/2 = ? (a) 3/2 (b) 2 (c) 1 (d) 1/2
  12. 12.Which fraction is greater: 5/6 or 1/7? (a) 5/6 (b) 1/7 (c) They are equal
  13. 13.1/5 + 1/5 = ? (a) 1/5 (b) 4/5 (c) 3/5 (d) 2/5
  14. 14.Which fraction is greater: 5/8 or 2/3? (a) 5/8 (b) They are equal (c) 2/3
  15. 15.Which fraction is greater: 5/9 or 4/11? (a) They are equal (b) 4/11 (c) 5/9
  16. 16.Which fraction is greater: 1/4 or 5/6? (a) They are equal (b) 5/6 (c) 1/4
  17. 17.What is 1/5 of 25? (a) 6 (b) 10 (c) 5 (d) 20
  18. 18.1/2 + 1/3 = ? (a) 2/5 (b) 1 (c) 5/6 (d) 2/3
  19. 19.1/3 + 3/7 = ? (a) 2/5 (b) 5/7 (c) 16/21 (d) 17/21
  20. 20.Which fraction is greater: 7/9 or 1/3? (a) They are equal (b) 1/3 (c) 7/9
  21. 21.2/4 + 1/3 = ? (a) 11/12 (b) 3/4 (c) 3/7 (d) 5/6
  22. 22.Which fraction is greater: 3/4 or 2/3? (a) 3/4 (b) 2/3 (c) They are equal
  23. 23.Which fraction is greater: 8/11 or 1/3? (a) 8/11 (b) 1/3 (c) They are equal
  24. 24.Which fraction is greater: 5/8 or 5/11? (a) They are equal (b) 5/11 (c) 5/8
  25. 25.1/6 + 3/4 = ? (a) 2/5 (b) 5/6 (c) 1 (d) 11/12
  26. 26.2/3 + 4/5 = ? (a) 3/4 (b) 7/5 (c) 23/15 (d) 22/15
  27. 27.Which fraction is greater: 1/3 or 2/7? (a) 1/3 (b) 2/7 (c) They are equal
  28. 28.1/3 + 2/6 = ? (a) 1/2 (b) 5/6 (c) 1/3 (d) 2/3
  29. 29.What is 5/6 of 48? (a) 40 (b) 48 (c) 8 (d) 41
  30. 30.1/5 + 1/3 = ? (a) 1/4 (b) 3/5 (c) 8/15 (d) 7/15
  31. 31.Which fraction is greater: 4/11 or 2/5? (a) They are equal (b) 4/11 (c) 2/5
  32. 32.What is 1/3 of 36? (a) 13 (b) 12 (c) 11 (d) 24
  33. 33.What is 3/5 of 10? (a) 2 (b) 8 (c) 6 (d) 4
  34. 34.What is 1/7 of 77? (a) 11 (b) 12 (c) 66 (d) 22
  35. 35.What is 1/9 of 90? (a) 11 (b) 10 (c) 80 (d) 20
  36. 36.Which fraction is greater: 8/9 or 6/7? (a) 6/7 (b) 8/9 (c) They are equal
  37. 37.Which fraction is greater: 3/4 or 2/7? (a) 3/4 (b) 2/7 (c) They are equal
  38. 38.Which fraction is greater: 1/4 or 4/5? (a) They are equal (b) 1/4 (c) 4/5
  39. 39.Which fraction is greater: 1/11 or 3/4? (a) They are equal (b) 3/4 (c) 1/11
  40. 40.Which fraction is greater: 3/11 or 6/7? (a) 3/11 (b) 6/7 (c) They are equal

Answer key

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

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