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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 638 · 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. 1.1/3 + 1/2 = ? (a) 2/3 (b) 5/6 (c) 2/5 (d) 1
  2. 2.Which fraction is greater: 7/11 or 1/3? (a) 7/11 (b) 1/3 (c) They are equal
  3. 3.What is 3/4 of 28? (a) 22 (b) 21 (c) 28 (d) 7
  4. 4.2/7 + 2/5 = ? (a) 24/35 (b) 1/3 (c) 23/35 (d) 5/7
  5. 5.Which fraction is greater: 2/7 or 2/5? (a) 2/7 (b) 2/5 (c) They are equal
  6. 6.What is 5/7 of 63? (a) 18 (b) 54 (c) 9 (d) 45
  7. 7.2/3 + 1/2 = ? (a) 7/6 (b) 4/3 (c) 3/5 (d) 1
  8. 8.4/5 + 5/7 = ? (a) 52/35 (b) 54/35 (c) 53/35 (d) 3/4
  9. 9.What is 2/3 of 12? (a) 4 (b) 12 (c) 9 (d) 8
  10. 10.What is 1/7 of 35? (a) 5 (b) 30 (c) 10 (d) 6
  11. 11.3/6 + 1/2 = ? (a) 1 (b) 5/6 (c) 7/6 (d) 1/2
  12. 12.3/7 + 3/4 = ? (a) 6/11 (b) 33/28 (c) 17/14 (d) 8/7
  13. 13.Which fraction is greater: 7/8 or 4/5? (a) 4/5 (b) 7/8 (c) They are equal
  14. 14.5/6 + 1/4 = ? (a) 13/12 (b) 3/5 (c) 7/6 (d) 1
  15. 15.1/3 + 2/4 = ? (a) 3/7 (b) 3/4 (c) 11/12 (d) 5/6
  16. 16.1/2 + 1/5 = ? (a) 4/5 (b) 2/7 (c) 3/5 (d) 7/10
  17. 17.Which fraction is greater: 3/7 or 3/5? (a) 3/5 (b) They are equal (c) 3/7
  18. 18.Which fraction is greater: 1/4 or 4/7? (a) 1/4 (b) They are equal (c) 4/7
  19. 19.Which fraction is greater: 11/12 or 1/5? (a) They are equal (b) 1/5 (c) 11/12
  20. 20.2/3 + 1/3 = ? (a) 1 (b) 4/3 (c) 2/3 (d) 1/2
  21. 21.Which fraction is greater: 1/3 or 1/5? (a) 1/5 (b) They are equal (c) 1/3
  22. 22.Which fraction is greater: 1/12 or 1/3? (a) They are equal (b) 1/12 (c) 1/3
  23. 23.2/8 + 1/6 = ? (a) 3/14 (b) 5/12 (c) 11/24 (d) 3/8
  24. 24.Which fraction is greater: 3/4 or 5/8? (a) 3/4 (b) 5/8 (c) They are equal
  25. 25.Which fraction is greater: 1/11 or 5/8? (a) They are equal (b) 1/11 (c) 5/8
  26. 26.What is 1/2 of 8? (a) 4 (b) 8 (c) 3 (d) 5
  27. 27.Which fraction is greater: 2/3 or 5/11? (a) 5/11 (b) They are equal (c) 2/3
  28. 28.Which fraction is greater: 1/3 or 2/11? (a) They are equal (b) 1/3 (c) 2/11
  29. 29.1/3 + 1/3 = ? (a) 2/3 (b) 1/3 (c) 4/3 (d) 1
  30. 30.What is 2/5 of 25? (a) 11 (b) 5 (c) 10 (d) 15
  31. 31.Which fraction is greater: 5/8 or 4/5? (a) They are equal (b) 4/5 (c) 5/8
  32. 32.What is 3/7 of 21? (a) 3 (b) 10 (c) 9 (d) 12
  33. 33.2/7 + 4/5 = ? (a) 1/2 (b) 38/35 (c) 39/35 (d) 37/35
  34. 34.Which fraction is greater: 8/9 or 6/7? (a) 6/7 (b) 8/9 (c) They are equal
  35. 35.2/6 + 3/8 = ? (a) 5/14 (b) 3/4 (c) 17/24 (d) 2/3
  36. 36.What is 1/6 of 18? (a) 3 (b) 6 (c) 4 (d) 15
  37. 37.What is 4/5 of 15? (a) 12 (b) 3 (c) 15 (d) 13
  38. 38.What is 1/5 of 45? (a) 36 (b) 10 (c) 18 (d) 9
  39. 39.2/4 + 6/7 = ? (a) 8/11 (b) 39/28 (c) 37/28 (d) 19/14
  40. 40.Which fraction is greater: 5/7 or 5/9? (a) They are equal (b) 5/9 (c) 5/7

Answer key

  1. 5/6
  2. 7/11
  3. 21
  4. 24/35
  5. 2/5
  6. 45
  7. 7/6
  8. 53/35
  9. 8
  10. 5
  11. 1
  12. 33/28
  13. 7/8
  14. 13/12
  15. 5/6
  16. 7/10
  17. 3/5
  18. 4/7
  19. 11/12
  20. 1
  21. 1/3
  22. 1/3
  23. 5/12
  24. 3/4
  25. 5/8
  26. 4
  27. 2/3
  28. 1/3
  29. 2/3
  30. 10
  31. 4/5
  32. 9
  33. 38/35
  34. 8/9
  35. 17/24
  36. 3
  37. 12
  38. 9
  39. 19/14
  40. 5/7

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