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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 470 · 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: 5/7 or 3/10? (a) 3/10 (b) They are equal (c) 5/7
  2. 2.Which fraction is greater: 7/11 or 1/3? (a) They are equal (b) 1/3 (c) 7/11
  3. 3.1/3 + 1/2 = ? (a) 2/3 (b) 1 (c) 5/6 (d) 2/5
  4. 4.1/2 + 2/3 = ? (a) 4/3 (b) 1 (c) 3/5 (d) 7/6
  5. 5.Which fraction is greater: 3/5 or 3/4? (a) 3/5 (b) They are equal (c) 3/4
  6. 6.Which fraction is greater: 4/5 or 5/12? (a) 5/12 (b) 4/5 (c) They are equal
  7. 7.Which fraction is greater: 1/8 or 4/7? (a) 1/8 (b) 4/7 (c) They are equal
  8. 8.3/8 + 5/6 = ? (a) 5/4 (b) 7/6 (c) 4/7 (d) 29/24
  9. 9.1/5 + 3/7 = ? (a) 22/35 (b) 23/35 (c) 1/3 (d) 3/5
  10. 10.What is 2/3 of 36? (a) 24 (b) 12 (c) 25 (d) 36
  11. 11.Which fraction is greater: 2/7 or 1/11? (a) They are equal (b) 1/11 (c) 2/7
  12. 12.Which fraction is greater: 2/3 or 9/11? (a) 9/11 (b) They are equal (c) 2/3
  13. 13.What is 1/2 of 12? (a) 12 (b) 5 (c) 6 (d) 7
  14. 14.What is 2/5 of 25? (a) 10 (b) 5 (c) 11 (d) 15
  15. 15.Which fraction is greater: 3/8 or 4/7? (a) 3/8 (b) They are equal (c) 4/7
  16. 16.What is 1/6 of 18? (a) 15 (b) 4 (c) 6 (d) 3
  17. 17.What is 1/2 of 18? (a) 10 (b) 18 (c) 8 (d) 9
  18. 18.Which fraction is greater: 1/9 or 5/7? (a) They are equal (b) 1/9 (c) 5/7
  19. 19.Which fraction is greater: 3/4 or 1/6? (a) 3/4 (b) 1/6 (c) They are equal
  20. 20.Which fraction is greater: 3/11 or 2/7? (a) 3/11 (b) 2/7 (c) They are equal
  21. 21.Which fraction is greater: 5/8 or 1/3? (a) 5/8 (b) They are equal (c) 1/3
  22. 22.What is 1/3 of 33? (a) 11 (b) 22 (c) 12 (d) 10
  23. 23.Which fraction is greater: 3/10 or 4/9? (a) 3/10 (b) 4/9 (c) They are equal
  24. 24.Which fraction is greater: 2/3 or 2/9? (a) They are equal (b) 2/3 (c) 2/9
  25. 25.5/6 + 6/8 = ? (a) 13/8 (b) 11/14 (c) 37/24 (d) 19/12
  26. 26.Which fraction is greater: 1/9 or 1/3? (a) 1/9 (b) 1/3 (c) They are equal
  27. 27.4/6 + 1/2 = ? (a) 4/3 (b) 7/6 (c) 5/8 (d) 1
  28. 28.What is 1/5 of 20? (a) 8 (b) 4 (c) 5 (d) 16
  29. 29.4/7 + 2/3 = ? (a) 3/5 (b) 25/21 (c) 9/7 (d) 26/21
  30. 30.4/5 + 1/2 = ? (a) 5/7 (b) 6/5 (c) 7/5 (d) 13/10
  31. 31.2/4 + 1/2 = ? (a) 3/4 (b) 5/4 (c) 1 (d) 1/2
  32. 32.Which fraction is greater: 3/5 or 5/7? (a) 3/5 (b) They are equal (c) 5/7
  33. 33.Which fraction is greater: 9/11 or 1/3? (a) 1/3 (b) They are equal (c) 9/11
  34. 34.8/9 + 1/2 = ? (a) 4/3 (b) 25/18 (c) 13/9 (d) 9/11
  35. 35.1/2 + 3/6 = ? (a) 1/2 (b) 1 (c) 7/6 (d) 5/6
  36. 36.Which fraction is greater: 1/5 or 7/8? (a) 7/8 (b) 1/5 (c) They are equal
  37. 37.Which fraction is greater: 3/11 or 5/6? (a) 3/11 (b) They are equal (c) 5/6
  38. 38.6/8 + 4/6 = ? (a) 35/24 (b) 5/7 (c) 17/12 (d) 11/8
  39. 39.7/9 + 2/4 = ? (a) 9/13 (b) 47/36 (c) 5/4 (d) 23/18
  40. 40.What is 1/2 of 24? (a) 11 (b) 13 (c) 24 (d) 12

Answer key

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

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