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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 263 · 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. 1.2/3 + 1/2 = ? (a) 4/3 (b) 3/5 (c) 1 (d) 7/6
  2. 2.Which fraction is greater: 4/5 or 4/11? (a) 4/11 (b) They are equal (c) 4/5
  3. 3.What is 5/8 of 80? (a) 30 (b) 60 (c) 50 (d) 10
  4. 4.4/5 + 1/2 = ? (a) 6/5 (b) 7/5 (c) 5/7 (d) 13/10
  5. 5.What is 4/5 of 10? (a) 10 (b) 8 (c) 9 (d) 2
  6. 6.What is 2/5 of 10? (a) 5 (b) 6 (c) 2 (d) 4
  7. 7.What is 1/2 of 24? (a) 11 (b) 13 (c) 12 (d) 24
  8. 8.What is 1/2 of 18? (a) 8 (b) 10 (c) 18 (d) 9
  9. 9.Which fraction is greater: 1/5 or 1/3? (a) 1/5 (b) They are equal (c) 1/3
  10. 10.Which fraction is greater: 3/11 or 1/3? (a) 3/11 (b) They are equal (c) 1/3
  11. 11.Which fraction is greater: 3/5 or 2/3? (a) 3/5 (b) 2/3 (c) They are equal
  12. 12.Which fraction is greater: 1/10 or 2/9? (a) They are equal (b) 2/9 (c) 1/10
  13. 13.Which fraction is greater: 3/8 or 10/11? (a) They are equal (b) 3/8 (c) 10/11
  14. 14.5/6 + 3/6 = ? (a) 2/3 (b) 3/2 (c) 7/6 (d) 4/3
  15. 15.What is 1/4 of 20? (a) 10 (b) 6 (c) 5 (d) 15
  16. 16.Which fraction is greater: 1/3 or 1/5? (a) They are equal (b) 1/5 (c) 1/3
  17. 17.What is 6/7 of 77? (a) 67 (b) 66 (c) 77 (d) 11
  18. 18.Which fraction is greater: 1/7 or 1/5? (a) 1/7 (b) They are equal (c) 1/5
  19. 19.5/7 + 1/2 = ? (a) 17/14 (b) 9/7 (c) 8/7 (d) 2/3
  20. 20.Which fraction is greater: 3/4 or 1/5? (a) 3/4 (b) They are equal (c) 1/5
  21. 21.What is 2/3 of 15? (a) 11 (b) 15 (c) 5 (d) 10
  22. 22.Which fraction is greater: 3/5 or 3/7? (a) They are equal (b) 3/5 (c) 3/7
  23. 23.What is 5/9 of 90? (a) 40 (b) 60 (c) 10 (d) 50
  24. 24.What is 3/5 of 10? (a) 4 (b) 6 (c) 8 (d) 2
  25. 25.What is 1/2 of 8? (a) 4 (b) 5 (c) 3 (d) 8
  26. 26.What is 2/7 of 70? (a) 20 (b) 30 (c) 10 (d) 50
  27. 27.Which fraction is greater: 1/6 or 3/10? (a) They are equal (b) 1/6 (c) 3/10
  28. 28.Which fraction is greater: 3/7 or 1/4? (a) 3/7 (b) They are equal (c) 1/4
  29. 29.What is 1/3 of 24? (a) 16 (b) 7 (c) 8 (d) 9
  30. 30.Which fraction is greater: 4/9 or 3/4? (a) 3/4 (b) They are equal (c) 4/9
  31. 31.What is 8/9 of 36? (a) 32 (b) 36 (c) 33 (d) 4
  32. 32.Which fraction is greater: 2/3 or 5/9? (a) They are equal (b) 5/9 (c) 2/3
  33. 33.Which fraction is greater: 1/6 or 6/7? (a) They are equal (b) 6/7 (c) 1/6
  34. 34.1/6 + 1/2 = ? (a) 1/2 (b) 1/4 (c) 2/3 (d) 5/6
  35. 35.What is 7/9 of 81? (a) 72 (b) 63 (c) 9 (d) 18
  36. 36.What is 6/7 of 35? (a) 31 (b) 5 (c) 30 (d) 35
  37. 37.Which fraction is greater: 2/5 or 1/12? (a) 2/5 (b) 1/12 (c) They are equal
  38. 38.5/7 + 2/7 = ? (a) 6/7 (b) 1 (c) 1/2 (d) 8/7
  39. 39.Which fraction is greater: 1/4 or 1/8? (a) 1/4 (b) They are equal (c) 1/8
  40. 40.Which fraction is greater: 5/12 or 1/4? (a) 1/4 (b) 5/12 (c) They are equal

Answer key

  1. 7/6
  2. 4/5
  3. 50
  4. 13/10
  5. 8
  6. 4
  7. 12
  8. 9
  9. 1/3
  10. 1/3
  11. 2/3
  12. 2/9
  13. 10/11
  14. 4/3
  15. 5
  16. 1/3
  17. 66
  18. 1/5
  19. 17/14
  20. 3/4
  21. 10
  22. 3/5
  23. 50
  24. 6
  25. 4
  26. 20
  27. 3/10
  28. 3/7
  29. 8
  30. 3/4
  31. 32
  32. 2/3
  33. 6/7
  34. 2/3
  35. 63
  36. 30
  37. 2/5
  38. 1
  39. 1/4
  40. 5/12

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