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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 781 · 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 30? (a) 20 (b) 30 (c) 21 (d) 10
  2. 2.3/5 + 1/2 = ? (a) 6/5 (b) 11/10 (c) 1 (d) 4/7
  3. 3.1/3 + 5/8 = ? (a) 6/11 (b) 1 (c) 11/12 (d) 23/24
  4. 4.Which fraction is greater: 8/9 or 2/3? (a) 8/9 (b) 2/3 (c) They are equal
  5. 5.What is 3/4 of 24? (a) 6 (b) 24 (c) 19 (d) 18
  6. 6.1/4 + 5/7 = ? (a) 1 (b) 6/11 (c) 27/28 (d) 13/14
  7. 7.Which fraction is greater: 6/11 or 3/4? (a) 6/11 (b) 3/4 (c) They are equal
  8. 8.3/4 + 1/2 = ? (a) 5/4 (b) 2/3 (c) 3/2 (d) 1
  9. 9.1/3 + 1/3 = ? (a) 1 (b) 1/3 (c) 4/3 (d) 2/3
  10. 10.Which fraction is greater: 5/8 or 1/11? (a) 5/8 (b) 1/11 (c) They are equal
  11. 11.6/7 + 1/4 = ? (a) 7/11 (b) 8/7 (c) 31/28 (d) 15/14
  12. 12.Which fraction is greater: 3/7 or 7/9? (a) They are equal (b) 3/7 (c) 7/9
  13. 13.Which fraction is greater: 9/10 or 3/4? (a) They are equal (b) 9/10 (c) 3/4
  14. 14.2/5 + 1/2 = ? (a) 3/7 (b) 4/5 (c) 9/10 (d) 1
  15. 15.5/9 + 1/2 = ? (a) 10/9 (b) 1 (c) 6/11 (d) 19/18
  16. 16.7/9 + 5/6 = ? (a) 4/5 (b) 14/9 (c) 5/3 (d) 29/18
  17. 17.Which fraction is greater: 1/3 or 5/11? (a) 5/11 (b) 1/3 (c) They are equal
  18. 18.2/3 + 2/7 = ? (a) 1 (b) 2/5 (c) 20/21 (d) 19/21
  19. 19.Which fraction is greater: 7/9 or 3/4? (a) They are equal (b) 3/4 (c) 7/9
  20. 20.1/2 + 1/4 = ? (a) 1 (b) 1/3 (c) 1/2 (d) 3/4
  21. 21.Which fraction is greater: 1/10 or 1/5? (a) 1/5 (b) They are equal (c) 1/10
  22. 22.What is 1/2 of 24? (a) 13 (b) 12 (c) 24 (d) 11
  23. 23.Which fraction is greater: 1/11 or 7/8? (a) 1/11 (b) They are equal (c) 7/8
  24. 24.1/2 + 1/5 = ? (a) 2/7 (b) 3/5 (c) 7/10 (d) 4/5
  25. 25.7/9 + 1/2 = ? (a) 11/9 (b) 23/18 (c) 4/3 (d) 8/11
  26. 26.What is 1/3 of 30? (a) 20 (b) 9 (c) 10 (d) 11
  27. 27.Which fraction is greater: 3/4 or 2/3? (a) 3/4 (b) 2/3 (c) They are equal
  28. 28.8/9 + 2/3 = ? (a) 13/9 (b) 5/6 (c) 5/3 (d) 14/9
  29. 29.Which fraction is greater: 3/5 or 1/3? (a) They are equal (b) 3/5 (c) 1/3
  30. 30.What is 3/4 of 16? (a) 16 (b) 4 (c) 13 (d) 12
  31. 31.1/2 + 5/6 = ? (a) 3/4 (b) 3/2 (c) 4/3 (d) 7/6
  32. 32.Which fraction is greater: 10/11 or 1/4? (a) 1/4 (b) 10/11 (c) They are equal
  33. 33.Which fraction is greater: 5/6 or 5/7? (a) 5/7 (b) They are equal (c) 5/6
  34. 34.Which fraction is greater: 5/8 or 1/3? (a) They are equal (b) 1/3 (c) 5/8
  35. 35.Which fraction is greater: 7/8 or 5/11? (a) They are equal (b) 7/8 (c) 5/11
  36. 36.Which fraction is greater: 6/7 or 5/8? (a) 6/7 (b) 5/8 (c) They are equal
  37. 37.1/2 + 1/3 = ? (a) 1 (b) 2/3 (c) 2/5 (d) 5/6
  38. 38.1/2 + 1/2 = ? (a) 2 (b) 1 (c) 1/2 (d) 3/2
  39. 39.Which fraction is greater: 9/11 or 5/6? (a) 9/11 (b) They are equal (c) 5/6
  40. 40.What is 5/8 of 40? (a) 5 (b) 30 (c) 15 (d) 25

Answer key

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

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