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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 45 · 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: 1/3 or 5/7? (a) 5/7 (b) They are equal (c) 1/3
  2. 2.1/2 + 1/5 = ? (a) 3/5 (b) 4/5 (c) 7/10 (d) 2/7
  3. 3.What is 3/4 of 48? (a) 12 (b) 36 (c) 37 (d) 48
  4. 4.Which fraction is greater: 9/11 or 1/4? (a) 1/4 (b) 9/11 (c) They are equal
  5. 5.What is 3/4 of 20? (a) 16 (b) 20 (c) 15 (d) 5
  6. 6.Which fraction is greater: 7/10 or 1/5? (a) 7/10 (b) 1/5 (c) They are equal
  7. 7.What is 1/3 of 9? (a) 4 (b) 3 (c) 6 (d) 2
  8. 8.2/3 + 4/9 = ? (a) 1/2 (b) 11/9 (c) 10/9 (d) 1
  9. 9.Which fraction is greater: 4/5 or 2/3? (a) 4/5 (b) They are equal (c) 2/3
  10. 10.Which fraction is greater: 1/4 or 5/7? (a) They are equal (b) 1/4 (c) 5/7
  11. 11.1/2 + 1/8 = ? (a) 5/8 (b) 1/5 (c) 1/2 (d) 3/4
  12. 12.Which fraction is greater: 8/9 or 1/5? (a) 8/9 (b) 1/5 (c) They are equal
  13. 13.1/2 + 1/7 = ? (a) 2/9 (b) 4/7 (c) 9/14 (d) 5/7
  14. 14.Which fraction is greater: 7/8 or 4/5? (a) 4/5 (b) 7/8 (c) They are equal
  15. 15.Which fraction is greater: 7/12 or 2/3? (a) 2/3 (b) They are equal (c) 7/12
  16. 16.What is 1/2 of 22? (a) 11 (b) 22 (c) 12 (d) 10
  17. 17.Which fraction is greater: 3/11 or 2/3? (a) 3/11 (b) 2/3 (c) They are equal
  18. 18.1/6 + 5/6 = ? (a) 7/6 (b) 5/6 (c) 1/2 (d) 1
  19. 19.2/5 + 1/2 = ? (a) 4/5 (b) 1 (c) 9/10 (d) 3/7
  20. 20.What is 3/5 of 15? (a) 6 (b) 3 (c) 12 (d) 9
  21. 21.What is 1/4 of 16? (a) 5 (b) 4 (c) 8 (d) 12
  22. 22.Which fraction is greater: 6/11 or 3/5? (a) They are equal (b) 3/5 (c) 6/11
  23. 23.2/3 + 2/3 = ? (a) 5/3 (b) 2/3 (c) 4/3 (d) 1
  24. 24.Which fraction is greater: 3/7 or 7/11? (a) They are equal (b) 7/11 (c) 3/7
  25. 25.Which fraction is greater: 1/6 or 2/7? (a) 1/6 (b) 2/7 (c) They are equal
  26. 26.Which fraction is greater: 2/3 or 1/5? (a) They are equal (b) 2/3 (c) 1/5
  27. 27.What is 3/5 of 30? (a) 24 (b) 6 (c) 18 (d) 12
  28. 28.Which fraction is greater: 1/3 or 5/9? (a) 1/3 (b) They are equal (c) 5/9
  29. 29.What is 1/9 of 90? (a) 10 (b) 11 (c) 80 (d) 20
  30. 30.1/2 + 1/2 = ? (a) 1 (b) 1/2 (c) 3/2 (d) 2
  31. 31.What is 5/6 of 30? (a) 5 (b) 26 (c) 25 (d) 30
  32. 32.Which fraction is greater: 5/7 or 1/4? (a) 1/4 (b) They are equal (c) 5/7
  33. 33.Which fraction is greater: 5/11 or 1/6? (a) They are equal (b) 1/6 (c) 5/11
  34. 34.2/3 + 1/2 = ? (a) 1 (b) 7/6 (c) 3/5 (d) 4/3
  35. 35.What is 5/7 of 70? (a) 60 (b) 50 (c) 20 (d) 10
  36. 36.What is 5/8 of 16? (a) 12 (b) 2 (c) 6 (d) 10
  37. 37.What is 3/7 of 70? (a) 31 (b) 30 (c) 10 (d) 40
  38. 38.Which fraction is greater: 9/11 or 1/3? (a) 1/3 (b) 9/11 (c) They are equal
  39. 39.3/9 + 4/6 = ? (a) 7/15 (b) 19/18 (c) 1 (d) 17/18
  40. 40.1/2 + 5/8 = ? (a) 1 (b) 9/8 (c) 5/4 (d) 3/5

Answer key

  1. 5/7
  2. 7/10
  3. 36
  4. 9/11
  5. 15
  6. 7/10
  7. 3
  8. 10/9
  9. 4/5
  10. 5/7
  11. 5/8
  12. 8/9
  13. 9/14
  14. 7/8
  15. 2/3
  16. 11
  17. 2/3
  18. 1
  19. 9/10
  20. 9
  21. 4
  22. 3/5
  23. 4/3
  24. 7/11
  25. 2/7
  26. 2/3
  27. 18
  28. 5/9
  29. 10
  30. 1
  31. 25
  32. 5/7
  33. 5/11
  34. 7/6
  35. 50
  36. 10
  37. 30
  38. 9/11
  39. 1
  40. 9/8

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