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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 838 · 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: 3/11 or 4/5? (a) They are equal (b) 4/5 (c) 3/11
  2. 2.Which fraction is greater: 2/5 or 5/8? (a) 2/5 (b) They are equal (c) 5/8
  3. 3.1/2 + 2/3 = ? (a) 7/6 (b) 4/3 (c) 1 (d) 3/5
  4. 4.Which fraction is greater: 1/3 or 5/12? (a) 1/3 (b) 5/12 (c) They are equal
  5. 5.Which fraction is greater: 7/10 or 1/3? (a) 7/10 (b) They are equal (c) 1/3
  6. 6.What is 5/7 of 49? (a) 7 (b) 42 (c) 14 (d) 35
  7. 7.Which fraction is greater: 1/5 or 1/3? (a) They are equal (b) 1/3 (c) 1/5
  8. 8.Which fraction is greater: 7/8 or 6/11? (a) They are equal (b) 7/8 (c) 6/11
  9. 9.Which fraction is greater: 1/9 or 8/11? (a) 1/9 (b) They are equal (c) 8/11
  10. 10.What is 2/7 of 56? (a) 24 (b) 8 (c) 16 (d) 40
  11. 11.What is 4/9 of 54? (a) 6 (b) 24 (c) 30 (d) 25
  12. 12.1/3 + 2/4 = ? (a) 5/6 (b) 3/7 (c) 3/4 (d) 11/12
  13. 13.Which fraction is greater: 1/9 or 1/8? (a) 1/8 (b) They are equal (c) 1/9
  14. 14.What is 3/4 of 44? (a) 44 (b) 33 (c) 11 (d) 34
  15. 15.What is 2/5 of 10? (a) 6 (b) 5 (c) 4 (d) 2
  16. 16.What is 1/3 of 6? (a) 1 (b) 4 (c) 3 (d) 2
  17. 17.1/4 + 3/8 = ? (a) 5/8 (b) 1/3 (c) 3/4 (d) 1/2
  18. 18.Which fraction is greater: 2/3 or 3/5? (a) They are equal (b) 3/5 (c) 2/3
  19. 19.What is 4/5 of 55? (a) 45 (b) 44 (c) 55 (d) 11
  20. 20.What is 3/4 of 20? (a) 5 (b) 16 (c) 15 (d) 20
  21. 21.Which fraction is greater: 1/3 or 5/6? (a) They are equal (b) 1/3 (c) 5/6
  22. 22.What is 2/3 of 30? (a) 21 (b) 10 (c) 30 (d) 20
  23. 23.What is 1/2 of 24? (a) 12 (b) 13 (c) 24 (d) 11
  24. 24.What is 3/4 of 48? (a) 12 (b) 36 (c) 48 (d) 37
  25. 25.Which fraction is greater: 5/8 or 2/11? (a) They are equal (b) 5/8 (c) 2/11
  26. 26.What is 7/8 of 56? (a) 7 (b) 50 (c) 56 (d) 49
  27. 27.What is 1/2 of 4? (a) 2 (b) 4 (c) 1 (d) 3
  28. 28.What is 1/3 of 9? (a) 2 (b) 4 (c) 3 (d) 6
  29. 29.What is 1/3 of 36? (a) 13 (b) 12 (c) 11 (d) 24
  30. 30.What is 2/3 of 36? (a) 24 (b) 36 (c) 25 (d) 12
  31. 31.Which fraction is greater: 2/3 or 2/7? (a) 2/3 (b) 2/7 (c) They are equal
  32. 32.Which fraction is greater: 1/12 or 1/3? (a) 1/3 (b) 1/12 (c) They are equal
  33. 33.What is 1/2 of 20? (a) 20 (b) 9 (c) 10 (d) 11
  34. 34.Which fraction is greater: 4/7 or 1/4? (a) They are equal (b) 1/4 (c) 4/7
  35. 35.What is 2/3 of 33? (a) 23 (b) 33 (c) 22 (d) 11
  36. 36.1/7 + 3/4 = ? (a) 6/7 (b) 13/14 (c) 25/28 (d) 4/11
  37. 37.5/8 + 1/4 = ? (a) 1/2 (b) 1 (c) 7/8 (d) 3/4
  38. 38.Which fraction is greater: 3/11 or 2/5? (a) 2/5 (b) They are equal (c) 3/11
  39. 39.1/2 + 1/2 = ? (a) 2 (b) 1 (c) 3/2 (d) 1/2
  40. 40.Which fraction is greater: 2/3 or 1/11? (a) They are equal (b) 1/11 (c) 2/3

Answer key

  1. 4/5
  2. 5/8
  3. 7/6
  4. 5/12
  5. 7/10
  6. 35
  7. 1/3
  8. 7/8
  9. 8/11
  10. 16
  11. 24
  12. 5/6
  13. 1/8
  14. 33
  15. 4
  16. 2
  17. 5/8
  18. 2/3
  19. 44
  20. 15
  21. 5/6
  22. 20
  23. 12
  24. 36
  25. 5/8
  26. 49
  27. 2
  28. 3
  29. 12
  30. 24
  31. 2/3
  32. 1/3
  33. 10
  34. 4/7
  35. 22
  36. 25/28
  37. 7/8
  38. 2/5
  39. 1
  40. 2/3

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