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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 91 · 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: 1/8 or 6/11? (a) They are equal (b) 6/11 (c) 1/8
  2. 2.4/7 + 1/3 = ? (a) 20/21 (b) 6/7 (c) 19/21 (d) 1/2
  3. 3.Which fraction is greater: 2/5 or 1/12? (a) They are equal (b) 1/12 (c) 2/5
  4. 4.What is 3/5 of 55? (a) 11 (b) 44 (c) 33 (d) 22
  5. 5.3/5 + 2/3 = ? (a) 5/8 (b) 19/15 (c) 6/5 (d) 4/3
  6. 6.What is 2/3 of 12? (a) 4 (b) 9 (c) 12 (d) 8
  7. 7.Which fraction is greater: 1/4 or 2/7? (a) 1/4 (b) They are equal (c) 2/7
  8. 8.Which fraction is greater: 8/9 or 2/11? (a) They are equal (b) 8/9 (c) 2/11
  9. 9.Which fraction is greater: 2/5 or 2/3? (a) They are equal (b) 2/5 (c) 2/3
  10. 10.1/8 + 1/4 = ? (a) 1/2 (b) 1/6 (c) 1/4 (d) 3/8
  11. 11.Which fraction is greater: 1/5 or 2/3? (a) 2/3 (b) 1/5 (c) They are equal
  12. 12.5/6 + 2/8 = ? (a) 25/24 (b) 13/12 (c) 9/8 (d) 1/2
  13. 13.Which fraction is greater: 2/3 or 4/7? (a) They are equal (b) 2/3 (c) 4/7
  14. 14.What is 1/2 of 4? (a) 2 (b) 4 (c) 3 (d) 1
  15. 15.Which fraction is greater: 3/5 or 1/4? (a) 1/4 (b) They are equal (c) 3/5
  16. 16.Which fraction is greater: 3/10 or 4/5? (a) They are equal (b) 4/5 (c) 3/10
  17. 17.Which fraction is greater: 1/4 or 1/6? (a) 1/6 (b) They are equal (c) 1/4
  18. 18.What is 2/7 of 63? (a) 18 (b) 27 (c) 45 (d) 9
  19. 19.Which fraction is greater: 4/5 or 2/3? (a) They are equal (b) 2/3 (c) 4/5
  20. 20.3/6 + 4/9 = ? (a) 7/15 (b) 17/18 (c) 1 (d) 8/9
  21. 21.What is 1/3 of 18? (a) 12 (b) 5 (c) 6 (d) 7
  22. 22.What is 1/2 of 24? (a) 24 (b) 13 (c) 12 (d) 11
  23. 23.Which fraction is greater: 1/7 or 2/3? (a) They are equal (b) 1/7 (c) 2/3
  24. 24.What is 2/3 of 33? (a) 33 (b) 23 (c) 11 (d) 22
  25. 25.What is 3/5 of 20? (a) 16 (b) 12 (c) 8 (d) 4
  26. 26.Which fraction is greater: 3/7 or 7/9? (a) They are equal (b) 7/9 (c) 3/7
  27. 27.Which fraction is greater: 2/11 or 4/9? (a) 2/11 (b) They are equal (c) 4/9
  28. 28.What is 1/2 of 18? (a) 18 (b) 8 (c) 10 (d) 9
  29. 29.What is 1/4 of 28? (a) 7 (b) 8 (c) 14 (d) 21
  30. 30.What is 8/9 of 36? (a) 36 (b) 4 (c) 33 (d) 32
  31. 31.3/4 + 1/8 = ? (a) 3/4 (b) 7/8 (c) 1/3 (d) 1
  32. 32.1/2 + 2/9 = ? (a) 2/3 (b) 3/11 (c) 7/9 (d) 13/18
  33. 33.1/4 + 1/2 = ? (a) 1/2 (b) 1/3 (c) 1 (d) 3/4
  34. 34.Which fraction is greater: 10/11 or 1/3? (a) 1/3 (b) They are equal (c) 10/11
  35. 35.Which fraction is greater: 5/6 or 1/3? (a) 5/6 (b) 1/3 (c) They are equal
  36. 36.Which fraction is greater: 1/3 or 3/8? (a) 1/3 (b) 3/8 (c) They are equal
  37. 37.Which fraction is greater: 1/3 or 7/12? (a) 1/3 (b) They are equal (c) 7/12
  38. 38.4/6 + 2/5 = ? (a) 31/30 (b) 6/11 (c) 11/10 (d) 16/15
  39. 39.Which fraction is greater: 2/9 or 1/3? (a) 2/9 (b) 1/3 (c) They are equal
  40. 40.What is 1/5 of 40? (a) 16 (b) 8 (c) 9 (d) 32

Answer key

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

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