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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 307 · 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.What is 6/7 of 42? (a) 37 (b) 36 (c) 6 (d) 42
  2. 2.What is 1/3 of 18? (a) 7 (b) 5 (c) 12 (d) 6
  3. 3.Which fraction is greater: 5/11 or 3/4? (a) They are equal (b) 5/11 (c) 3/4
  4. 4.Which fraction is greater: 10/11 or 1/5? (a) 1/5 (b) They are equal (c) 10/11
  5. 5.3/4 + 2/6 = ? (a) 13/12 (b) 1/2 (c) 1 (d) 7/6
  6. 6.4/5 + 2/3 = ? (a) 22/15 (b) 23/15 (c) 3/4 (d) 7/5
  7. 7.What is 1/8 of 16? (a) 3 (b) 14 (c) 4 (d) 2
  8. 8.2/9 + 8/9 = ? (a) 5/9 (b) 1 (c) 11/9 (d) 10/9
  9. 9.Which fraction is greater: 1/3 or 6/11? (a) 6/11 (b) They are equal (c) 1/3
  10. 10.1/6 + 3/4 = ? (a) 5/6 (b) 11/12 (c) 1 (d) 2/5
  11. 11.What is 7/8 of 80? (a) 80 (b) 10 (c) 70 (d) 71
  12. 12.7/8 + 4/8 = ? (a) 11/8 (b) 11/16 (c) 3/2 (d) 5/4
  13. 13.Which fraction is greater: 1/4 or 1/8? (a) 1/8 (b) 1/4 (c) They are equal
  14. 14.3/5 + 1/2 = ? (a) 4/7 (b) 6/5 (c) 11/10 (d) 1
  15. 15.What is 3/5 of 55? (a) 22 (b) 44 (c) 11 (d) 33
  16. 16.1/3 + 1/2 = ? (a) 2/5 (b) 5/6 (c) 1 (d) 2/3
  17. 17.Which fraction is greater: 1/7 or 5/8? (a) They are equal (b) 5/8 (c) 1/7
  18. 18.2/3 + 2/8 = ? (a) 23/24 (b) 11/12 (c) 4/11 (d) 7/8
  19. 19.2/5 + 1/5 = ? (a) 3/5 (b) 3/10 (c) 4/5 (d) 2/5
  20. 20.What is 8/9 of 45? (a) 45 (b) 5 (c) 41 (d) 40
  21. 21.1/2 + 3/5 = ? (a) 1 (b) 6/5 (c) 11/10 (d) 4/7
  22. 22.Which fraction is greater: 1/3 or 2/5? (a) They are equal (b) 2/5 (c) 1/3
  23. 23.Which fraction is greater: 1/4 or 2/3? (a) They are equal (b) 1/4 (c) 2/3
  24. 24.Which fraction is greater: 1/8 or 3/10? (a) 1/8 (b) They are equal (c) 3/10
  25. 25.Which fraction is greater: 1/4 or 3/5? (a) 3/5 (b) They are equal (c) 1/4
  26. 26.What is 1/4 of 36? (a) 10 (b) 27 (c) 9 (d) 18
  27. 27.3/6 + 1/3 = ? (a) 1 (b) 4/9 (c) 2/3 (d) 5/6
  28. 28.What is 3/4 of 16? (a) 13 (b) 12 (c) 4 (d) 16
  29. 29.What is 1/3 of 9? (a) 6 (b) 4 (c) 3 (d) 2
  30. 30.Which fraction is greater: 1/11 or 7/8? (a) 1/11 (b) 7/8 (c) They are equal
  31. 31.Which fraction is greater: 1/3 or 8/11? (a) They are equal (b) 1/3 (c) 8/11
  32. 32.What is 8/9 of 99? (a) 89 (b) 11 (c) 88 (d) 99
  33. 33.1/9 + 1/2 = ? (a) 2/3 (b) 11/18 (c) 5/9 (d) 2/11
  34. 34.2/3 + 1/2 = ? (a) 1 (b) 7/6 (c) 4/3 (d) 3/5
  35. 35.3/8 + 6/8 = ? (a) 9/8 (b) 9/16 (c) 5/4 (d) 1
  36. 36.3/4 + 3/5 = ? (a) 27/20 (b) 2/3 (c) 7/5 (d) 13/10
  37. 37.Which fraction is greater: 1/10 or 3/11? (a) 1/10 (b) They are equal (c) 3/11
  38. 38.4/7 + 6/7 = ? (a) 5/7 (b) 10/7 (c) 11/7 (d) 9/7
  39. 39.Which fraction is greater: 3/4 or 4/7? (a) They are equal (b) 3/4 (c) 4/7
  40. 40.What is 1/3 of 6? (a) 4 (b) 3 (c) 2 (d) 1

Answer key

  1. 36
  2. 6
  3. 3/4
  4. 10/11
  5. 13/12
  6. 22/15
  7. 2
  8. 10/9
  9. 6/11
  10. 11/12
  11. 70
  12. 11/8
  13. 1/4
  14. 11/10
  15. 33
  16. 5/6
  17. 5/8
  18. 11/12
  19. 3/5
  20. 40
  21. 11/10
  22. 2/5
  23. 2/3
  24. 3/10
  25. 3/5
  26. 9
  27. 5/6
  28. 12
  29. 3
  30. 7/8
  31. 8/11
  32. 88
  33. 11/18
  34. 7/6
  35. 9/8
  36. 27/20
  37. 3/11
  38. 10/7
  39. 3/4
  40. 2

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