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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 411 · 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 2/3 of 15? (a) 10 (b) 15 (c) 5 (d) 11
  2. 2.Which fraction is greater: 4/5 or 1/9? (a) They are equal (b) 1/9 (c) 4/5
  3. 3.Which fraction is greater: 2/9 or 1/4? (a) 2/9 (b) 1/4 (c) They are equal
  4. 4.Which fraction is greater: 2/3 or 5/6? (a) They are equal (b) 2/3 (c) 5/6
  5. 5.2/3 + 1/4 = ? (a) 5/6 (b) 11/12 (c) 1 (d) 3/7
  6. 6.3/7 + 2/3 = ? (a) 22/21 (b) 8/7 (c) 1/2 (d) 23/21
  7. 7.1/2 + 2/8 = ? (a) 5/8 (b) 3/4 (c) 7/8 (d) 3/10
  8. 8.2/6 + 6/8 = ? (a) 4/7 (b) 25/24 (c) 13/12 (d) 9/8
  9. 9.What is 5/6 of 42? (a) 35 (b) 36 (c) 42 (d) 7
  10. 10.What is 5/7 of 42? (a) 12 (b) 30 (c) 6 (d) 36
  11. 11.What is 2/5 of 45? (a) 18 (b) 27 (c) 9 (d) 19
  12. 12.What is 2/7 of 28? (a) 20 (b) 8 (c) 12 (d) 4
  13. 13.6/7 + 4/7 = ? (a) 5/7 (b) 11/7 (c) 10/7 (d) 9/7
  14. 14.Which fraction is greater: 1/6 or 1/3? (a) 1/3 (b) 1/6 (c) They are equal
  15. 15.Which fraction is greater: 9/10 or 8/9? (a) They are equal (b) 8/9 (c) 9/10
  16. 16.What is 1/5 of 35? (a) 14 (b) 28 (c) 8 (d) 7
  17. 17.Which fraction is greater: 3/4 or 1/6? (a) 3/4 (b) 1/6 (c) They are equal
  18. 18.Which fraction is greater: 3/4 or 5/9? (a) 3/4 (b) 5/9 (c) They are equal
  19. 19.2/5 + 1/2 = ? (a) 4/5 (b) 3/7 (c) 9/10 (d) 1
  20. 20.4/8 + 4/6 = ? (a) 4/7 (b) 29/24 (c) 9/8 (d) 7/6
  21. 21.Which fraction is greater: 1/6 or 8/11? (a) They are equal (b) 8/11 (c) 1/6
  22. 22.Which fraction is greater: 1/3 or 2/7? (a) They are equal (b) 1/3 (c) 2/7
  23. 23.2/3 + 1/2 = ? (a) 3/5 (b) 4/3 (c) 7/6 (d) 1
  24. 24.What is 2/3 of 18? (a) 12 (b) 13 (c) 18 (d) 6
  25. 25.Which fraction is greater: 7/12 or 7/11? (a) 7/12 (b) They are equal (c) 7/11
  26. 26.What is 1/2 of 22? (a) 22 (b) 12 (c) 10 (d) 11
  27. 27.5/8 + 2/3 = ? (a) 5/4 (b) 4/3 (c) 7/11 (d) 31/24
  28. 28.What is 2/9 of 99? (a) 22 (b) 77 (c) 11 (d) 33
  29. 29.Which fraction is greater: 4/5 or 2/7? (a) 2/7 (b) They are equal (c) 4/5
  30. 30.What is 3/4 of 24? (a) 24 (b) 6 (c) 18 (d) 19
  31. 31.Which fraction is greater: 1/5 or 1/3? (a) 1/3 (b) They are equal (c) 1/5
  32. 32.Which fraction is greater: 1/12 or 8/11? (a) They are equal (b) 8/11 (c) 1/12
  33. 33.Which fraction is greater: 5/11 or 3/5? (a) 3/5 (b) 5/11 (c) They are equal
  34. 34.1/3 + 2/6 = ? (a) 2/3 (b) 1/3 (c) 5/6 (d) 1/2
  35. 35.What is 1/6 of 42? (a) 8 (b) 14 (c) 7 (d) 35
  36. 36.Which fraction is greater: 1/3 or 1/4? (a) 1/4 (b) They are equal (c) 1/3
  37. 37.Which fraction is greater: 2/9 or 1/10? (a) 1/10 (b) 2/9 (c) They are equal
  38. 38.1/2 + 3/5 = ? (a) 4/7 (b) 6/5 (c) 11/10 (d) 1
  39. 39.Which fraction is greater: 10/11 or 1/4? (a) 10/11 (b) 1/4 (c) They are equal
  40. 40.What is 5/7 of 35? (a) 30 (b) 10 (c) 5 (d) 25

Answer key

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

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