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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 865 · 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: 4/7 or 5/8? (a) They are equal (b) 4/7 (c) 5/8
  2. 2.2/5 + 4/7 = ? (a) 33/35 (b) 1/2 (c) 1 (d) 34/35
  3. 3.Which fraction is greater: 1/12 or 2/11? (a) They are equal (b) 2/11 (c) 1/12
  4. 4.Which fraction is greater: 2/7 or 4/5? (a) They are equal (b) 2/7 (c) 4/5
  5. 5.What is 1/5 of 15? (a) 4 (b) 12 (c) 6 (d) 3
  6. 6.Which fraction is greater: 4/9 or 1/4? (a) They are equal (b) 1/4 (c) 4/9
  7. 7.1/3 + 6/8 = ? (a) 13/12 (b) 25/24 (c) 9/8 (d) 7/11
  8. 8.Which fraction is greater: 3/10 or 1/4? (a) They are equal (b) 1/4 (c) 3/10
  9. 9.Which fraction is greater: 4/11 or 5/8? (a) 4/11 (b) 5/8 (c) They are equal
  10. 10.1/7 + 1/4 = ? (a) 3/7 (b) 2/11 (c) 5/14 (d) 11/28
  11. 11.What is 1/2 of 10? (a) 6 (b) 4 (c) 10 (d) 5
  12. 12.Which fraction is greater: 1/4 or 7/12? (a) 7/12 (b) 1/4 (c) They are equal
  13. 13.7/8 + 6/8 = ? (a) 3/2 (b) 13/16 (c) 7/4 (d) 13/8
  14. 14.What is 1/3 of 33? (a) 12 (b) 10 (c) 11 (d) 22
  15. 15.4/6 + 1/9 = ? (a) 7/9 (b) 1/3 (c) 5/6 (d) 13/18
  16. 16.2/3 + 4/5 = ? (a) 22/15 (b) 23/15 (c) 7/5 (d) 3/4
  17. 17.1/5 + 2/5 = ? (a) 2/5 (b) 3/5 (c) 4/5 (d) 3/10
  18. 18.Which fraction is greater: 3/7 or 1/9? (a) 1/9 (b) 3/7 (c) They are equal
  19. 19.What is 5/6 of 18? (a) 16 (b) 3 (c) 15 (d) 18
  20. 20.What is 1/2 of 24? (a) 13 (b) 24 (c) 12 (d) 11
  21. 21.4/8 + 1/3 = ? (a) 5/11 (b) 7/8 (c) 19/24 (d) 5/6
  22. 22.What is 2/5 of 45? (a) 27 (b) 19 (c) 18 (d) 9
  23. 23.Which fraction is greater: 1/4 or 1/3? (a) 1/4 (b) 1/3 (c) They are equal
  24. 24.1/2 + 5/6 = ? (a) 3/4 (b) 3/2 (c) 7/6 (d) 4/3
  25. 25.5/6 + 3/4 = ? (a) 4/5 (b) 3/2 (c) 5/3 (d) 19/12
  26. 26.Which fraction is greater: 8/11 or 4/5? (a) 8/11 (b) 4/5 (c) They are equal
  27. 27.2/6 + 2/6 = ? (a) 1/2 (b) 2/3 (c) 1/3 (d) 5/6
  28. 28.Which fraction is greater: 2/7 or 1/6? (a) 1/6 (b) They are equal (c) 2/7
  29. 29.Which fraction is greater: 1/5 or 5/8? (a) 5/8 (b) 1/5 (c) They are equal
  30. 30.What is 1/2 of 8? (a) 8 (b) 3 (c) 5 (d) 4
  31. 31.2/7 + 3/4 = ? (a) 5/11 (b) 29/28 (c) 1 (d) 15/14
  32. 32.Which fraction is greater: 1/12 or 10/11? (a) They are equal (b) 10/11 (c) 1/12
  33. 33.1/4 + 7/9 = ? (a) 19/18 (b) 8/13 (c) 37/36 (d) 1
  34. 34.What is 1/9 of 90? (a) 11 (b) 80 (c) 20 (d) 10
  35. 35.3/6 + 1/2 = ? (a) 7/6 (b) 1 (c) 1/2 (d) 5/6
  36. 36.2/3 + 2/3 = ? (a) 4/3 (b) 5/3 (c) 1 (d) 2/3
  37. 37.Which fraction is greater: 1/12 or 3/4? (a) 3/4 (b) 1/12 (c) They are equal
  38. 38.Which fraction is greater: 1/4 or 6/7? (a) 1/4 (b) They are equal (c) 6/7
  39. 39.Which fraction is greater: 2/7 or 1/5? (a) They are equal (b) 2/7 (c) 1/5
  40. 40.1/2 + 1/2 = ? (a) 3/2 (b) 2 (c) 1/2 (d) 1

Answer key

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

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