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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 568 · 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 21? (a) 15 (b) 14 (c) 21 (d) 7
  2. 2.Which fraction is greater: 5/9 or 1/7? (a) 5/9 (b) They are equal (c) 1/7
  3. 3.What is 4/9 of 72? (a) 40 (b) 33 (c) 8 (d) 32
  4. 4.What is 1/4 of 40? (a) 20 (b) 10 (c) 30 (d) 11
  5. 5.Which fraction is greater: 1/9 or 2/3? (a) They are equal (b) 2/3 (c) 1/9
  6. 6.4/6 + 1/2 = ? (a) 1 (b) 7/6 (c) 4/3 (d) 5/8
  7. 7.What is 1/2 of 4? (a) 2 (b) 1 (c) 3 (d) 4
  8. 8.What is 1/3 of 30? (a) 9 (b) 20 (c) 10 (d) 11
  9. 9.What is 1/2 of 10? (a) 5 (b) 4 (c) 10 (d) 6
  10. 10.2/4 + 1/3 = ? (a) 5/6 (b) 11/12 (c) 3/4 (d) 3/7
  11. 11.1/2 + 6/8 = ? (a) 9/8 (b) 7/10 (c) 5/4 (d) 11/8
  12. 12.What is 1/2 of 6? (a) 2 (b) 3 (c) 6 (d) 4
  13. 13.What is 1/8 of 64? (a) 56 (b) 8 (c) 16 (d) 9
  14. 14.Which fraction is greater: 1/5 or 7/9? (a) 1/5 (b) 7/9 (c) They are equal
  15. 15.1/2 + 2/3 = ? (a) 3/5 (b) 7/6 (c) 1 (d) 4/3
  16. 16.Which fraction is greater: 2/3 or 5/7? (a) 2/3 (b) They are equal (c) 5/7
  17. 17.What is 8/9 of 90? (a) 81 (b) 90 (c) 10 (d) 80
  18. 18.1/2 + 1/6 = ? (a) 1/4 (b) 2/3 (c) 5/6 (d) 1/2
  19. 19.Which fraction is greater: 3/4 or 7/8? (a) They are equal (b) 3/4 (c) 7/8
  20. 20.What is 2/3 of 18? (a) 18 (b) 12 (c) 13 (d) 6
  21. 21.1/2 + 2/7 = ? (a) 5/7 (b) 11/14 (c) 1/3 (d) 6/7
  22. 22.What is 3/8 of 96? (a) 60 (b) 12 (c) 48 (d) 36
  23. 23.Which fraction is greater: 4/7 or 3/4? (a) They are equal (b) 4/7 (c) 3/4
  24. 24.What is 1/2 of 16? (a) 16 (b) 8 (c) 9 (d) 7
  25. 25.1/5 + 4/7 = ? (a) 5/12 (b) 4/5 (c) 27/35 (d) 26/35
  26. 26.Which fraction is greater: 6/11 or 7/8? (a) They are equal (b) 7/8 (c) 6/11
  27. 27.Which fraction is greater: 5/7 or 2/3? (a) They are equal (b) 2/3 (c) 5/7
  28. 28.Which fraction is greater: 2/5 or 2/3? (a) 2/5 (b) 2/3 (c) They are equal
  29. 29.4/9 + 1/2 = ? (a) 17/18 (b) 1 (c) 8/9 (d) 5/11
  30. 30.Which fraction is greater: 6/11 or 1/4? (a) 1/4 (b) They are equal (c) 6/11
  31. 31.3/9 + 1/2 = ? (a) 8/9 (b) 7/9 (c) 4/11 (d) 5/6
  32. 32.Which fraction is greater: 1/5 or 1/4? (a) 1/4 (b) 1/5 (c) They are equal
  33. 33.Which fraction is greater: 3/7 or 3/4? (a) 3/4 (b) They are equal (c) 3/7
  34. 34.What is 7/8 of 80? (a) 70 (b) 10 (c) 71 (d) 80
  35. 35.1/9 + 3/4 = ? (a) 4/13 (b) 8/9 (c) 5/6 (d) 31/36
  36. 36.2/3 + 1/2 = ? (a) 7/6 (b) 1 (c) 3/5 (d) 4/3
  37. 37.1/3 + 3/4 = ? (a) 1 (b) 13/12 (c) 7/6 (d) 4/7
  38. 38.Which fraction is greater: 1/12 or 1/4? (a) 1/12 (b) They are equal (c) 1/4
  39. 39.1/2 + 1/4 = ? (a) 1 (b) 3/4 (c) 1/2 (d) 1/3
  40. 40.Which fraction is greater: 4/5 or 5/7? (a) 4/5 (b) They are equal (c) 5/7

Answer key

  1. 14
  2. 5/9
  3. 32
  4. 10
  5. 2/3
  6. 7/6
  7. 2
  8. 10
  9. 5
  10. 5/6
  11. 5/4
  12. 3
  13. 8
  14. 7/9
  15. 7/6
  16. 5/7
  17. 80
  18. 2/3
  19. 7/8
  20. 12
  21. 11/14
  22. 36
  23. 3/4
  24. 8
  25. 27/35
  26. 7/8
  27. 5/7
  28. 2/3
  29. 17/18
  30. 6/11
  31. 5/6
  32. 1/4
  33. 3/4
  34. 70
  35. 31/36
  36. 7/6
  37. 13/12
  38. 1/4
  39. 3/4
  40. 4/5

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