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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 241 · 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 1/12? (a) They are equal (b) 1/12 (c) 1/3
  2. 2.What is 1/7 of 63? (a) 10 (b) 9 (c) 18 (d) 54
  3. 3.Which fraction is greater: 1/3 or 1/6? (a) They are equal (b) 1/6 (c) 1/3
  4. 4.Which fraction is greater: 2/3 or 9/11? (a) They are equal (b) 9/11 (c) 2/3
  5. 5.1/2 + 2/6 = ? (a) 3/8 (b) 2/3 (c) 5/6 (d) 1
  6. 6.3/8 + 1/3 = ? (a) 4/11 (b) 3/4 (c) 17/24 (d) 2/3
  7. 7.Which fraction is greater: 7/10 or 5/12? (a) 7/10 (b) 5/12 (c) They are equal
  8. 8.Which fraction is greater: 2/3 or 4/9? (a) 4/9 (b) They are equal (c) 2/3
  9. 9.1/4 + 1/2 = ? (a) 1/3 (b) 3/4 (c) 1/2 (d) 1
  10. 10.What is 3/4 of 16? (a) 13 (b) 16 (c) 12 (d) 4
  11. 11.Which fraction is greater: 3/11 or 5/9? (a) They are equal (b) 5/9 (c) 3/11
  12. 12.What is 2/5 of 45? (a) 9 (b) 27 (c) 19 (d) 18
  13. 13.What is 4/9 of 18? (a) 8 (b) 2 (c) 10 (d) 9
  14. 14.1/3 + 1/5 = ? (a) 7/15 (b) 8/15 (c) 1/4 (d) 3/5
  15. 15.Which fraction is greater: 3/7 or 2/5? (a) They are equal (b) 2/5 (c) 3/7
  16. 16.5/9 + 1/3 = ? (a) 8/9 (b) 1/2 (c) 1 (d) 7/9
  17. 17.Which fraction is greater: 7/10 or 1/11? (a) 1/11 (b) They are equal (c) 7/10
  18. 18.What is 6/7 of 49? (a) 49 (b) 7 (c) 43 (d) 42
  19. 19.Which fraction is greater: 6/11 or 2/5? (a) They are equal (b) 2/5 (c) 6/11
  20. 20.1/2 + 1/2 = ? (a) 3/2 (b) 2 (c) 1 (d) 1/2
  21. 21.Which fraction is greater: 1/4 or 7/9? (a) They are equal (b) 7/9 (c) 1/4
  22. 22.What is 2/5 of 10? (a) 6 (b) 4 (c) 5 (d) 2
  23. 23.1/2 + 1/3 = ? (a) 1 (b) 2/3 (c) 5/6 (d) 2/5
  24. 24.1/5 + 3/7 = ? (a) 1/3 (b) 23/35 (c) 3/5 (d) 22/35
  25. 25.8/9 + 1/3 = ? (a) 11/9 (b) 3/4 (c) 4/3 (d) 10/9
  26. 26.Which fraction is greater: 1/10 or 3/4? (a) 1/10 (b) They are equal (c) 3/4
  27. 27.Which fraction is greater: 2/9 or 5/7? (a) 5/7 (b) 2/9 (c) They are equal
  28. 28.Which fraction is greater: 1/7 or 1/3? (a) They are equal (b) 1/7 (c) 1/3
  29. 29.What is 1/3 of 6? (a) 3 (b) 2 (c) 4 (d) 1
  30. 30.4/6 + 1/5 = ? (a) 5/11 (b) 13/15 (c) 5/6 (d) 9/10
  31. 31.What is 1/2 of 10? (a) 6 (b) 5 (c) 4 (d) 10
  32. 32.Which fraction is greater: 1/10 or 1/3? (a) They are equal (b) 1/3 (c) 1/10
  33. 33.Which fraction is greater: 1/3 or 3/7? (a) 3/7 (b) They are equal (c) 1/3
  34. 34.Which fraction is greater: 1/5 or 7/10? (a) 7/10 (b) 1/5 (c) They are equal
  35. 35.Which fraction is greater: 5/7 or 3/11? (a) 3/11 (b) 5/7 (c) They are equal
  36. 36.Which fraction is greater: 5/7 or 1/3? (a) 5/7 (b) 1/3 (c) They are equal
  37. 37.What is 5/9 of 63? (a) 28 (b) 7 (c) 35 (d) 42
  38. 38.1/6 + 3/9 = ? (a) 4/15 (b) 4/9 (c) 5/9 (d) 1/2
  39. 39.1/3 + 7/9 = ? (a) 1 (b) 2/3 (c) 11/9 (d) 10/9
  40. 40.Which fraction is greater: 1/3 or 3/8? (a) 1/3 (b) 3/8 (c) They are equal

Answer key

  1. 1/3
  2. 9
  3. 1/3
  4. 9/11
  5. 5/6
  6. 17/24
  7. 7/10
  8. 2/3
  9. 3/4
  10. 12
  11. 5/9
  12. 18
  13. 8
  14. 8/15
  15. 3/7
  16. 8/9
  17. 7/10
  18. 42
  19. 6/11
  20. 1
  21. 7/9
  22. 4
  23. 5/6
  24. 22/35
  25. 11/9
  26. 3/4
  27. 5/7
  28. 1/3
  29. 2
  30. 13/15
  31. 5
  32. 1/3
  33. 3/7
  34. 7/10
  35. 5/7
  36. 5/7
  37. 35
  38. 1/2
  39. 10/9
  40. 3/8

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