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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 126 · 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 3/4 of 8? (a) 7 (b) 6 (c) 2 (d) 8
  2. 2.Which fraction is greater: 1/12 or 4/5? (a) 1/12 (b) 4/5 (c) They are equal
  3. 3.What is 1/9 of 54? (a) 12 (b) 48 (c) 7 (d) 6
  4. 4.What is 4/5 of 30? (a) 6 (b) 24 (c) 30 (d) 25
  5. 5.What is 1/4 of 16? (a) 12 (b) 5 (c) 8 (d) 4
  6. 6.1/2 + 1/7 = ? (a) 2/9 (b) 5/7 (c) 9/14 (d) 4/7
  7. 7.Which fraction is greater: 4/5 or 2/3? (a) They are equal (b) 4/5 (c) 2/3
  8. 8.What is 1/2 of 10? (a) 5 (b) 10 (c) 4 (d) 6
  9. 9.4/6 + 1/3 = ? (a) 1 (b) 5/6 (c) 7/6 (d) 5/9
  10. 10.1/4 + 1/3 = ? (a) 2/3 (b) 2/7 (c) 7/12 (d) 1/2
  11. 11.Which fraction is greater: 1/3 or 2/7? (a) 1/3 (b) They are equal (c) 2/7
  12. 12.What is 1/5 of 15? (a) 4 (b) 12 (c) 3 (d) 6
  13. 13.7/9 + 4/6 = ? (a) 3/2 (b) 25/18 (c) 11/15 (d) 13/9
  14. 14.1/5 + 1/2 = ? (a) 7/10 (b) 3/5 (c) 4/5 (d) 2/7
  15. 15.What is 1/8 of 24? (a) 4 (b) 6 (c) 3 (d) 21
  16. 16.What is 2/3 of 24? (a) 24 (b) 17 (c) 16 (d) 8
  17. 17.What is 5/7 of 77? (a) 11 (b) 66 (c) 22 (d) 55
  18. 18.2/5 + 2/7 = ? (a) 5/7 (b) 1/3 (c) 24/35 (d) 23/35
  19. 19.Which fraction is greater: 2/5 or 1/3? (a) 2/5 (b) They are equal (c) 1/3
  20. 20.Which fraction is greater: 2/3 or 3/4? (a) 2/3 (b) They are equal (c) 3/4
  21. 21.Which fraction is greater: 8/9 or 5/8? (a) 5/8 (b) 8/9 (c) They are equal
  22. 22.What is 2/3 of 18? (a) 6 (b) 12 (c) 18 (d) 13
  23. 23.3/4 + 1/3 = ? (a) 7/6 (b) 1 (c) 4/7 (d) 13/12
  24. 24.What is 1/8 of 32? (a) 28 (b) 8 (c) 5 (d) 4
  25. 25.Which fraction is greater: 9/11 or 7/12? (a) 7/12 (b) 9/11 (c) They are equal
  26. 26.1/7 + 3/5 = ? (a) 27/35 (b) 26/35 (c) 5/7 (d) 1/3
  27. 27.Which fraction is greater: 5/12 or 1/11? (a) 5/12 (b) They are equal (c) 1/11
  28. 28.1/3 + 1/2 = ? (a) 2/5 (b) 2/3 (c) 1 (d) 5/6
  29. 29.What is 1/4 of 48? (a) 13 (b) 36 (c) 24 (d) 12
  30. 30.Which fraction is greater: 5/6 or 5/8? (a) 5/8 (b) 5/6 (c) They are equal
  31. 31.Which fraction is greater: 2/11 or 1/4? (a) 2/11 (b) They are equal (c) 1/4
  32. 32.6/7 + 4/7 = ? (a) 9/7 (b) 5/7 (c) 10/7 (d) 11/7
  33. 33.What is 2/7 of 49? (a) 21 (b) 14 (c) 35 (d) 7
  34. 34.Which fraction is greater: 2/3 or 1/4? (a) 1/4 (b) They are equal (c) 2/3
  35. 35.Which fraction is greater: 2/3 or 3/7? (a) 2/3 (b) 3/7 (c) They are equal
  36. 36.Which fraction is greater: 2/3 or 9/10? (a) They are equal (b) 2/3 (c) 9/10
  37. 37.What is 2/7 of 28? (a) 8 (b) 20 (c) 12 (d) 4
  38. 38.Which fraction is greater: 1/10 or 3/4? (a) They are equal (b) 3/4 (c) 1/10
  39. 39.1/7 + 4/5 = ? (a) 33/35 (b) 34/35 (c) 5/12 (d) 32/35
  40. 40.2/3 + 1/3 = ? (a) 1 (b) 4/3 (c) 2/3 (d) 1/2

Answer key

  1. 6
  2. 4/5
  3. 6
  4. 24
  5. 4
  6. 9/14
  7. 4/5
  8. 5
  9. 1
  10. 7/12
  11. 1/3
  12. 3
  13. 13/9
  14. 7/10
  15. 3
  16. 16
  17. 55
  18. 24/35
  19. 2/5
  20. 3/4
  21. 8/9
  22. 12
  23. 13/12
  24. 4
  25. 9/11
  26. 26/35
  27. 5/12
  28. 5/6
  29. 12
  30. 5/6
  31. 1/4
  32. 10/7
  33. 14
  34. 2/3
  35. 2/3
  36. 9/10
  37. 8
  38. 3/4
  39. 33/35
  40. 1

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