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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 808 · 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. 1.5/7 + 3/4 = ? (a) 41/28 (b) 10/7 (c) 3/2 (d) 8/11
  2. 2.Which fraction is greater: 3/5 or 1/4? (a) 1/4 (b) They are equal (c) 3/5
  3. 3.3/5 + 2/4 = ? (a) 23/20 (b) 21/20 (c) 11/10 (d) 5/9
  4. 4.1/9 + 1/6 = ? (a) 2/15 (b) 2/9 (c) 5/18 (d) 1/3
  5. 5.1/2 + 1/2 = ? (a) 1 (b) 1/2 (c) 2 (d) 3/2
  6. 6.What is 3/7 of 70? (a) 30 (b) 10 (c) 31 (d) 40
  7. 7.What is 1/7 of 42? (a) 12 (b) 6 (c) 7 (d) 36
  8. 8.What is 1/3 of 6? (a) 4 (b) 2 (c) 1 (d) 3
  9. 9.Which fraction is greater: 2/3 or 2/5? (a) 2/5 (b) 2/3 (c) They are equal
  10. 10.Which fraction is greater: 10/11 or 7/8? (a) They are equal (b) 7/8 (c) 10/11
  11. 11.Which fraction is greater: 2/3 or 2/9? (a) 2/9 (b) They are equal (c) 2/3
  12. 12.What is 1/3 of 30? (a) 10 (b) 9 (c) 11 (d) 20
  13. 13.Which fraction is greater: 7/10 or 5/9? (a) 5/9 (b) They are equal (c) 7/10
  14. 14.Which fraction is greater: 1/4 or 3/10? (a) 3/10 (b) 1/4 (c) They are equal
  15. 15.What is 1/4 of 40? (a) 11 (b) 20 (c) 30 (d) 10
  16. 16.Which fraction is greater: 5/7 or 1/3? (a) 1/3 (b) They are equal (c) 5/7
  17. 17.What is 1/2 of 24? (a) 12 (b) 13 (c) 24 (d) 11
  18. 18.2/5 + 2/3 = ? (a) 1/2 (b) 16/15 (c) 1 (d) 17/15
  19. 19.1/2 + 1/3 = ? (a) 2/5 (b) 2/3 (c) 1 (d) 5/6
  20. 20.Which fraction is greater: 1/5 or 2/3? (a) 1/5 (b) 2/3 (c) They are equal
  21. 21.Which fraction is greater: 4/7 or 1/5? (a) 4/7 (b) 1/5 (c) They are equal
  22. 22.What is 2/9 of 63? (a) 21 (b) 14 (c) 49 (d) 7
  23. 23.What is 1/3 of 18? (a) 12 (b) 7 (c) 5 (d) 6
  24. 24.Which fraction is greater: 7/8 or 1/4? (a) They are equal (b) 1/4 (c) 7/8
  25. 25.1/5 + 4/7 = ? (a) 26/35 (b) 5/12 (c) 27/35 (d) 4/5
  26. 26.What is 1/2 of 12? (a) 12 (b) 6 (c) 5 (d) 7
  27. 27.1/3 + 2/9 = ? (a) 5/9 (b) 1/4 (c) 4/9 (d) 2/3
  28. 28.1/2 + 1/5 = ? (a) 3/5 (b) 2/7 (c) 7/10 (d) 4/5
  29. 29.Which fraction is greater: 3/5 or 3/10? (a) 3/5 (b) 3/10 (c) They are equal
  30. 30.1/2 + 8/9 = ? (a) 4/3 (b) 13/9 (c) 25/18 (d) 9/11
  31. 31.Which fraction is greater: 1/6 or 1/5? (a) They are equal (b) 1/6 (c) 1/5
  32. 32.Which fraction is greater: 3/4 or 3/8? (a) They are equal (b) 3/8 (c) 3/4
  33. 33.Which fraction is greater: 4/7 or 5/9? (a) 4/7 (b) They are equal (c) 5/9
  34. 34.6/9 + 1/2 = ? (a) 7/6 (b) 7/11 (c) 11/9 (d) 10/9
  35. 35.Which fraction is greater: 5/11 or 1/3? (a) 5/11 (b) 1/3 (c) They are equal
  36. 36.3/4 + 1/2 = ? (a) 5/4 (b) 2/3 (c) 3/2 (d) 1
  37. 37.Which fraction is greater: 1/5 or 1/6? (a) 1/6 (b) 1/5 (c) They are equal
  38. 38.Which fraction is greater: 4/5 or 1/4? (a) 4/5 (b) They are equal (c) 1/4
  39. 39.Which fraction is greater: 7/9 or 1/5? (a) 7/9 (b) 1/5 (c) They are equal
  40. 40.What is 2/5 of 10? (a) 6 (b) 4 (c) 2 (d) 5

Answer key

  1. 41/28
  2. 3/5
  3. 11/10
  4. 5/18
  5. 1
  6. 30
  7. 6
  8. 2
  9. 2/3
  10. 10/11
  11. 2/3
  12. 10
  13. 7/10
  14. 3/10
  15. 10
  16. 5/7
  17. 12
  18. 16/15
  19. 5/6
  20. 2/3
  21. 4/7
  22. 14
  23. 6
  24. 7/8
  25. 27/35
  26. 6
  27. 5/9
  28. 7/10
  29. 3/5
  30. 25/18
  31. 1/5
  32. 3/4
  33. 4/7
  34. 7/6
  35. 5/11
  36. 5/4
  37. 1/5
  38. 4/5
  39. 7/9
  40. 4

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