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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 799 · 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: 1/7 or 1/4? (a) They are equal (b) 1/7 (c) 1/4
  2. 2.Which fraction is greater: 7/10 or 1/3? (a) 7/10 (b) 1/3 (c) They are equal
  3. 3.6/7 + 4/5 = ? (a) 59/35 (b) 5/6 (c) 57/35 (d) 58/35
  4. 4.Which fraction is greater: 5/11 or 1/4? (a) They are equal (b) 1/4 (c) 5/11
  5. 5.What is 1/8 of 24? (a) 21 (b) 6 (c) 3 (d) 4
  6. 6.What is 1/6 of 30? (a) 10 (b) 5 (c) 25 (d) 6
  7. 7.1/2 + 6/8 = ? (a) 7/10 (b) 5/4 (c) 11/8 (d) 9/8
  8. 8.Which fraction is greater: 1/3 or 8/11? (a) They are equal (b) 1/3 (c) 8/11
  9. 9.2/5 + 4/5 = ? (a) 3/5 (b) 7/5 (c) 1 (d) 6/5
  10. 10.What is 2/3 of 21? (a) 7 (b) 15 (c) 21 (d) 14
  11. 11.5/8 + 5/8 = ? (a) 5/8 (b) 9/8 (c) 5/4 (d) 11/8
  12. 12.Which fraction is greater: 1/3 or 3/5? (a) 1/3 (b) They are equal (c) 3/5
  13. 13.1/2 + 2/4 = ? (a) 5/4 (b) 3/4 (c) 1 (d) 1/2
  14. 14.Which fraction is greater: 1/11 or 3/4? (a) 3/4 (b) They are equal (c) 1/11
  15. 15.5/9 + 1/2 = ? (a) 10/9 (b) 19/18 (c) 6/11 (d) 1
  16. 16.What is 5/6 of 18? (a) 3 (b) 18 (c) 16 (d) 15
  17. 17.1/4 + 6/8 = ? (a) 7/8 (b) 7/12 (c) 1 (d) 9/8
  18. 18.Which fraction is greater: 3/5 or 8/9? (a) 3/5 (b) 8/9 (c) They are equal
  19. 19.Which fraction is greater: 3/8 or 5/11? (a) They are equal (b) 5/11 (c) 3/8
  20. 20.6/7 + 1/3 = ? (a) 26/21 (b) 7/10 (c) 25/21 (d) 8/7
  21. 21.Which fraction is greater: 2/3 or 1/5? (a) 2/3 (b) 1/5 (c) They are equal
  22. 22.What is 4/5 of 25? (a) 5 (b) 21 (c) 25 (d) 20
  23. 23.What is 1/2 of 6? (a) 3 (b) 6 (c) 4 (d) 2
  24. 24.Which fraction is greater: 1/5 or 1/4? (a) 1/5 (b) They are equal (c) 1/4
  25. 25.What is 2/9 of 54? (a) 18 (b) 42 (c) 12 (d) 6
  26. 26.3/4 + 2/3 = ? (a) 4/3 (b) 3/2 (c) 17/12 (d) 5/7
  27. 27.3/4 + 1/8 = ? (a) 3/4 (b) 7/8 (c) 1 (d) 1/3
  28. 28.2/5 + 1/3 = ? (a) 11/15 (b) 2/3 (c) 4/5 (d) 3/8
  29. 29.2/3 + 1/2 = ? (a) 3/5 (b) 1 (c) 4/3 (d) 7/6
  30. 30.1/3 + 3/9 = ? (a) 2/3 (b) 7/9 (c) 5/9 (d) 1/3
  31. 31.1/2 + 1/2 = ? (a) 2 (b) 1/2 (c) 3/2 (d) 1
  32. 32.Which fraction is greater: 4/9 or 1/4? (a) 1/4 (b) They are equal (c) 4/9
  33. 33.What is 7/9 of 63? (a) 14 (b) 56 (c) 7 (d) 49
  34. 34.Which fraction is greater: 7/9 or 4/11? (a) 4/11 (b) They are equal (c) 7/9
  35. 35.Which fraction is greater: 2/9 or 6/7? (a) They are equal (b) 6/7 (c) 2/9
  36. 36.Which fraction is greater: 3/4 or 5/9? (a) 5/9 (b) They are equal (c) 3/4
  37. 37.Which fraction is greater: 1/7 or 1/12? (a) 1/12 (b) They are equal (c) 1/7
  38. 38.What is 1/3 of 21? (a) 14 (b) 8 (c) 7 (d) 6
  39. 39.4/6 + 4/9 = ? (a) 10/9 (b) 19/18 (c) 7/6 (d) 8/15
  40. 40.1/2 + 2/9 = ? (a) 2/3 (b) 3/11 (c) 7/9 (d) 13/18

Answer key

  1. 1/4
  2. 7/10
  3. 58/35
  4. 5/11
  5. 3
  6. 5
  7. 5/4
  8. 8/11
  9. 6/5
  10. 14
  11. 5/4
  12. 3/5
  13. 1
  14. 3/4
  15. 19/18
  16. 15
  17. 1
  18. 8/9
  19. 5/11
  20. 25/21
  21. 2/3
  22. 20
  23. 3
  24. 1/4
  25. 12
  26. 17/12
  27. 7/8
  28. 11/15
  29. 7/6
  30. 2/3
  31. 1
  32. 4/9
  33. 49
  34. 7/9
  35. 6/7
  36. 3/4
  37. 1/7
  38. 7
  39. 10/9
  40. 13/18

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