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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 877 · 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: 3/7 or 4/11? (a) They are equal (b) 3/7 (c) 4/11
  2. 2.Which fraction is greater: 1/3 or 2/7? (a) 2/7 (b) They are equal (c) 1/3
  3. 3.Which fraction is greater: 3/8 or 1/4? (a) 1/4 (b) 3/8 (c) They are equal
  4. 4.2/3 + 1/2 = ? (a) 1 (b) 7/6 (c) 3/5 (d) 4/3
  5. 5.Which fraction is greater: 1/7 or 9/11? (a) They are equal (b) 1/7 (c) 9/11
  6. 6.Which fraction is greater: 5/11 or 1/3? (a) 1/3 (b) 5/11 (c) They are equal
  7. 7.Which fraction is greater: 1/3 or 11/12? (a) They are equal (b) 1/3 (c) 11/12
  8. 8.1/3 + 1/6 = ? (a) 1/2 (b) 1/3 (c) 2/9 (d) 2/3
  9. 9.1/2 + 6/8 = ? (a) 9/8 (b) 11/8 (c) 5/4 (d) 7/10
  10. 10.1/2 + 1/3 = ? (a) 1 (b) 2/5 (c) 2/3 (d) 5/6
  11. 11.Which fraction is greater: 1/4 or 1/12? (a) They are equal (b) 1/12 (c) 1/4
  12. 12.1/6 + 1/2 = ? (a) 1/2 (b) 5/6 (c) 1/4 (d) 2/3
  13. 13.What is 1/5 of 25? (a) 10 (b) 20 (c) 6 (d) 5
  14. 14.Which fraction is greater: 11/12 or 1/9? (a) 1/9 (b) 11/12 (c) They are equal
  15. 15.What is 5/9 of 99? (a) 66 (b) 44 (c) 55 (d) 11
  16. 16.Which fraction is greater: 6/11 or 3/4? (a) They are equal (b) 3/4 (c) 6/11
  17. 17.What is 1/2 of 8? (a) 4 (b) 8 (c) 3 (d) 5
  18. 18.What is 2/3 of 33? (a) 33 (b) 11 (c) 23 (d) 22
  19. 19.1/3 + 3/5 = ? (a) 1 (b) 14/15 (c) 1/2 (d) 13/15
  20. 20.Which fraction is greater: 2/3 or 5/6? (a) 5/6 (b) They are equal (c) 2/3
  21. 21.6/8 + 3/4 = ? (a) 11/8 (b) 13/8 (c) 3/4 (d) 3/2
  22. 22.3/5 + 2/5 = ? (a) 4/5 (b) 6/5 (c) 1/2 (d) 1
  23. 23.Which fraction is greater: 1/7 or 1/12? (a) 1/7 (b) 1/12 (c) They are equal
  24. 24.8/9 + 1/2 = ? (a) 9/11 (b) 4/3 (c) 13/9 (d) 25/18
  25. 25.6/9 + 1/3 = ? (a) 8/9 (b) 1 (c) 7/12 (d) 10/9
  26. 26.1/4 + 1/2 = ? (a) 1 (b) 1/3 (c) 3/4 (d) 1/2
  27. 27.Which fraction is greater: 2/11 or 1/8? (a) 1/8 (b) 2/11 (c) They are equal
  28. 28.1/2 + 1/5 = ? (a) 4/5 (b) 2/7 (c) 3/5 (d) 7/10
  29. 29.Which fraction is greater: 4/11 or 2/3? (a) 4/11 (b) 2/3 (c) They are equal
  30. 30.What is 3/4 of 12? (a) 12 (b) 10 (c) 9 (d) 3
  31. 31.What is 1/2 of 4? (a) 4 (b) 1 (c) 2 (d) 3
  32. 32.Which fraction is greater: 5/7 or 4/9? (a) 5/7 (b) They are equal (c) 4/9
  33. 33.Which fraction is greater: 2/3 or 3/4? (a) 2/3 (b) They are equal (c) 3/4
  34. 34.2/5 + 6/7 = ? (a) 43/35 (b) 44/35 (c) 2/3 (d) 9/7
  35. 35.Which fraction is greater: 3/4 or 1/8? (a) They are equal (b) 1/8 (c) 3/4
  36. 36.Which fraction is greater: 2/3 or 1/11? (a) 2/3 (b) 1/11 (c) They are equal
  37. 37.What is 1/3 of 36? (a) 11 (b) 13 (c) 24 (d) 12
  38. 38.1/5 + 2/3 = ? (a) 3/8 (b) 13/15 (c) 4/5 (d) 14/15
  39. 39.What is 3/4 of 36? (a) 9 (b) 28 (c) 36 (d) 27
  40. 40.Which fraction is greater: 1/3 or 7/10? (a) 1/3 (b) 7/10 (c) They are equal

Answer key

  1. 3/7
  2. 1/3
  3. 3/8
  4. 7/6
  5. 9/11
  6. 5/11
  7. 11/12
  8. 1/2
  9. 5/4
  10. 5/6
  11. 1/4
  12. 2/3
  13. 5
  14. 11/12
  15. 55
  16. 3/4
  17. 4
  18. 22
  19. 14/15
  20. 5/6
  21. 3/2
  22. 1
  23. 1/7
  24. 25/18
  25. 1
  26. 3/4
  27. 2/11
  28. 7/10
  29. 2/3
  30. 9
  31. 2
  32. 5/7
  33. 3/4
  34. 44/35
  35. 3/4
  36. 2/3
  37. 12
  38. 13/15
  39. 27
  40. 7/10

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