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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 333 · 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 5/8 of 56? (a) 7 (b) 42 (c) 21 (d) 35
  2. 2.What is 5/6 of 12? (a) 11 (b) 12 (c) 2 (d) 10
  3. 3.8/9 + 5/6 = ? (a) 5/3 (b) 13/15 (c) 31/18 (d) 16/9
  4. 4.Which fraction is greater: 1/9 or 2/5? (a) 2/5 (b) They are equal (c) 1/9
  5. 5.Which fraction is greater: 5/6 or 3/7? (a) They are equal (b) 5/6 (c) 3/7
  6. 6.Which fraction is greater: 2/5 or 1/8? (a) 1/8 (b) 2/5 (c) They are equal
  7. 7.1/4 + 1/3 = ? (a) 2/3 (b) 1/2 (c) 7/12 (d) 2/7
  8. 8.What is 2/7 of 49? (a) 21 (b) 14 (c) 35 (d) 7
  9. 9.Which fraction is greater: 4/5 or 1/4? (a) 1/4 (b) 4/5 (c) They are equal
  10. 10.What is 1/2 of 22? (a) 12 (b) 10 (c) 22 (d) 11
  11. 11.2/3 + 3/6 = ? (a) 1 (b) 5/9 (c) 4/3 (d) 7/6
  12. 12.7/9 + 1/3 = ? (a) 1 (b) 2/3 (c) 11/9 (d) 10/9
  13. 13.Which fraction is greater: 6/11 or 1/3? (a) They are equal (b) 6/11 (c) 1/3
  14. 14.Which fraction is greater: 1/12 or 7/9? (a) They are equal (b) 7/9 (c) 1/12
  15. 15.Which fraction is greater: 1/3 or 9/11? (a) They are equal (b) 1/3 (c) 9/11
  16. 16.What is 4/5 of 55? (a) 11 (b) 55 (c) 45 (d) 44
  17. 17.Which fraction is greater: 1/9 or 3/4? (a) They are equal (b) 3/4 (c) 1/9
  18. 18.1/4 + 3/4 = ? (a) 1/2 (b) 5/4 (c) 1 (d) 3/4
  19. 19.1/3 + 7/9 = ? (a) 10/9 (b) 2/3 (c) 1 (d) 11/9
  20. 20.Which fraction is greater: 1/10 or 2/5? (a) 1/10 (b) 2/5 (c) They are equal
  21. 21.3/6 + 1/4 = ? (a) 3/4 (b) 2/3 (c) 2/5 (d) 5/6
  22. 22.1/7 + 1/5 = ? (a) 13/35 (b) 12/35 (c) 11/35 (d) 1/6
  23. 23.Which fraction is greater: 3/5 or 1/3? (a) They are equal (b) 3/5 (c) 1/3
  24. 24.What is 4/5 of 15? (a) 13 (b) 3 (c) 15 (d) 12
  25. 25.What is 1/8 of 40? (a) 10 (b) 5 (c) 6 (d) 35
  26. 26.What is 4/7 of 42? (a) 6 (b) 30 (c) 18 (d) 24
  27. 27.What is 8/9 of 36? (a) 36 (b) 33 (c) 4 (d) 32
  28. 28.Which fraction is greater: 1/3 or 3/4? (a) 3/4 (b) They are equal (c) 1/3
  29. 29.1/9 + 1/2 = ? (a) 2/3 (b) 5/9 (c) 2/11 (d) 11/18
  30. 30.What is 1/2 of 8? (a) 4 (b) 5 (c) 3 (d) 8
  31. 31.What is 1/2 of 24? (a) 11 (b) 13 (c) 12 (d) 24
  32. 32.Which fraction is greater: 2/5 or 3/8? (a) They are equal (b) 3/8 (c) 2/5
  33. 33.Which fraction is greater: 5/7 or 3/8? (a) 5/7 (b) They are equal (c) 3/8
  34. 34.What is 4/5 of 45? (a) 45 (b) 9 (c) 36 (d) 37
  35. 35.Which fraction is greater: 7/12 or 5/11? (a) 5/11 (b) 7/12 (c) They are equal
  36. 36.6/9 + 1/4 = ? (a) 17/18 (b) 7/13 (c) 8/9 (d) 11/12
  37. 37.Which fraction is greater: 5/6 or 2/5? (a) 5/6 (b) 2/5 (c) They are equal
  38. 38.2/3 + 1/2 = ? (a) 7/6 (b) 1 (c) 4/3 (d) 3/5
  39. 39.Which fraction is greater: 1/10 or 5/11? (a) They are equal (b) 1/10 (c) 5/11
  40. 40.Which fraction is greater: 1/5 or 2/9? (a) 2/9 (b) 1/5 (c) They are equal

Answer key

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

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