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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 901 · 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. 1.5/6 + 3/4 = ? (a) 19/12 (b) 3/2 (c) 4/5 (d) 5/3
  2. 2.Which fraction is greater: 1/3 or 3/7? (a) They are equal (b) 1/3 (c) 3/7
  3. 3.What is 1/2 of 8? (a) 3 (b) 5 (c) 8 (d) 4
  4. 4.Which fraction is greater: 8/9 or 1/3? (a) They are equal (b) 8/9 (c) 1/3
  5. 5.What is 1/2 of 22? (a) 11 (b) 10 (c) 22 (d) 12
  6. 6.2/9 + 1/4 = ? (a) 17/36 (b) 4/9 (c) 1/2 (d) 3/13
  7. 7.5/8 + 3/6 = ? (a) 13/12 (b) 9/8 (c) 7/6 (d) 4/7
  8. 8.What is 1/4 of 44? (a) 22 (b) 12 (c) 33 (d) 11
  9. 9.What is 4/5 of 10? (a) 2 (b) 8 (c) 10 (d) 9
  10. 10.Which fraction is greater: 1/12 or 1/6? (a) 1/6 (b) They are equal (c) 1/12
  11. 11.Which fraction is greater: 3/4 or 2/11? (a) 3/4 (b) 2/11 (c) They are equal
  12. 12.Which fraction is greater: 1/4 or 3/8? (a) 1/4 (b) 3/8 (c) They are equal
  13. 13.Which fraction is greater: 2/3 or 11/12? (a) 2/3 (b) They are equal (c) 11/12
  14. 14.Which fraction is greater: 4/7 or 4/5? (a) They are equal (b) 4/5 (c) 4/7
  15. 15.2/4 + 3/5 = ? (a) 21/20 (b) 5/9 (c) 11/10 (d) 23/20
  16. 16.What is 4/5 of 20? (a) 20 (b) 16 (c) 4 (d) 17
  17. 17.Which fraction is greater: 3/5 or 2/3? (a) 2/3 (b) They are equal (c) 3/5
  18. 18.Which fraction is greater: 2/5 or 1/6? (a) 2/5 (b) They are equal (c) 1/6
  19. 19.Which fraction is greater: 7/11 or 9/10? (a) 7/11 (b) They are equal (c) 9/10
  20. 20.Which fraction is greater: 2/3 or 3/4? (a) They are equal (b) 2/3 (c) 3/4
  21. 21.What is 1/2 of 20? (a) 11 (b) 20 (c) 10 (d) 9
  22. 22.Which fraction is greater: 2/5 or 5/11? (a) 5/11 (b) They are equal (c) 2/5
  23. 23.What is 3/4 of 24? (a) 24 (b) 6 (c) 18 (d) 19
  24. 24.What is 3/5 of 35? (a) 28 (b) 21 (c) 14 (d) 7
  25. 25.Which fraction is greater: 1/3 or 1/5? (a) They are equal (b) 1/5 (c) 1/3
  26. 26.Which fraction is greater: 2/3 or 1/6? (a) 1/6 (b) 2/3 (c) They are equal
  27. 27.2/4 + 2/5 = ? (a) 4/9 (b) 9/10 (c) 17/20 (d) 19/20
  28. 28.5/8 + 1/2 = ? (a) 9/8 (b) 5/4 (c) 3/5 (d) 1
  29. 29.4/5 + 4/5 = ? (a) 9/5 (b) 4/5 (c) 8/5 (d) 7/5
  30. 30.1/2 + 1/3 = ? (a) 1 (b) 2/3 (c) 2/5 (d) 5/6
  31. 31.What is 2/9 of 99? (a) 77 (b) 22 (c) 11 (d) 33
  32. 32.What is 6/7 of 28? (a) 25 (b) 24 (c) 4 (d) 28
  33. 33.Which fraction is greater: 4/5 or 7/8? (a) They are equal (b) 4/5 (c) 7/8
  34. 34.What is 3/4 of 36? (a) 36 (b) 28 (c) 9 (d) 27
  35. 35.Which fraction is greater: 2/5 or 3/8? (a) They are equal (b) 3/8 (c) 2/5
  36. 36.3/5 + 1/5 = ? (a) 4/5 (b) 3/5 (c) 1 (d) 2/5
  37. 37.Which fraction is greater: 3/11 or 1/9? (a) 3/11 (b) 1/9 (c) They are equal
  38. 38.What is 1/9 of 36? (a) 4 (b) 5 (c) 32 (d) 8
  39. 39.Which fraction is greater: 1/3 or 5/9? (a) 1/3 (b) 5/9 (c) They are equal
  40. 40.What is 2/3 of 12? (a) 12 (b) 4 (c) 9 (d) 8

Answer key

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

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