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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 313 · 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: 7/10 or 4/5? (a) They are equal (b) 4/5 (c) 7/10
  2. 2.Which fraction is greater: 1/3 or 2/5? (a) They are equal (b) 2/5 (c) 1/3
  3. 3.1/9 + 2/3 = ? (a) 2/3 (b) 8/9 (c) 1/4 (d) 7/9
  4. 4.What is 5/9 of 72? (a) 40 (b) 48 (c) 8 (d) 32
  5. 5.Which fraction is greater: 3/8 or 1/12? (a) 3/8 (b) They are equal (c) 1/12
  6. 6.What is 4/7 of 14? (a) 10 (b) 8 (c) 2 (d) 6
  7. 7.Which fraction is greater: 4/11 or 2/3? (a) 2/3 (b) They are equal (c) 4/11
  8. 8.What is 1/8 of 88? (a) 77 (b) 11 (c) 22 (d) 12
  9. 9.Which fraction is greater: 1/4 or 2/9? (a) They are equal (b) 2/9 (c) 1/4
  10. 10.Which fraction is greater: 1/10 or 1/4? (a) 1/10 (b) 1/4 (c) They are equal
  11. 11.What is 5/6 of 54? (a) 46 (b) 45 (c) 54 (d) 9
  12. 12.What is 1/2 of 4? (a) 4 (b) 1 (c) 2 (d) 3
  13. 13.Which fraction is greater: 1/3 or 4/5? (a) 1/3 (b) 4/5 (c) They are equal
  14. 14.Which fraction is greater: 1/6 or 8/9? (a) 1/6 (b) They are equal (c) 8/9
  15. 15.Which fraction is greater: 7/11 or 5/6? (a) 7/11 (b) 5/6 (c) They are equal
  16. 16.Which fraction is greater: 1/8 or 6/11? (a) 6/11 (b) They are equal (c) 1/8
  17. 17.Which fraction is greater: 1/3 or 7/11? (a) They are equal (b) 7/11 (c) 1/3
  18. 18.2/5 + 1/2 = ? (a) 3/7 (b) 4/5 (c) 1 (d) 9/10
  19. 19.Which fraction is greater: 1/3 or 1/6? (a) They are equal (b) 1/6 (c) 1/3
  20. 20.What is 1/6 of 42? (a) 14 (b) 7 (c) 8 (d) 35
  21. 21.Which fraction is greater: 1/3 or 5/9? (a) They are equal (b) 1/3 (c) 5/9
  22. 22.What is 1/4 of 8? (a) 2 (b) 4 (c) 3 (d) 6
  23. 23.2/3 + 2/5 = ? (a) 1 (b) 1/2 (c) 16/15 (d) 17/15
  24. 24.Which fraction is greater: 1/4 or 5/12? (a) They are equal (b) 5/12 (c) 1/4
  25. 25.Which fraction is greater: 1/3 or 5/6? (a) 5/6 (b) They are equal (c) 1/3
  26. 26.What is 1/5 of 25? (a) 10 (b) 20 (c) 5 (d) 6
  27. 27.Which fraction is greater: 2/11 or 5/6? (a) 2/11 (b) They are equal (c) 5/6
  28. 28.What is 2/3 of 6? (a) 5 (b) 2 (c) 6 (d) 4
  29. 29.Which fraction is greater: 3/5 or 2/3? (a) 2/3 (b) 3/5 (c) They are equal
  30. 30.Which fraction is greater: 1/4 or 11/12? (a) They are equal (b) 1/4 (c) 11/12
  31. 31.2/4 + 1/9 = ? (a) 23/36 (b) 3/13 (c) 7/12 (d) 11/18
  32. 32.4/5 + 2/5 = ? (a) 6/5 (b) 7/5 (c) 3/5 (d) 1
  33. 33.2/3 + 1/5 = ? (a) 4/5 (b) 3/8 (c) 14/15 (d) 13/15
  34. 34.3/4 + 1/3 = ? (a) 4/7 (b) 1 (c) 13/12 (d) 7/6
  35. 35.What is 2/9 of 72? (a) 8 (b) 24 (c) 56 (d) 16
  36. 36.2/6 + 4/8 = ? (a) 5/6 (b) 19/24 (c) 3/7 (d) 7/8
  37. 37.1/2 + 2/9 = ? (a) 2/3 (b) 7/9 (c) 3/11 (d) 13/18
  38. 38.Which fraction is greater: 1/7 or 9/10? (a) 9/10 (b) 1/7 (c) They are equal
  39. 39.What is 1/3 of 21? (a) 6 (b) 7 (c) 8 (d) 14
  40. 40.Which fraction is greater: 5/6 or 1/4? (a) They are equal (b) 1/4 (c) 5/6

Answer key

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

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