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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 273 · 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 7/12? (a) They are equal (b) 7/12 (c) 1/3
  2. 2.Which fraction is greater: 3/4 or 7/9? (a) 3/4 (b) 7/9 (c) They are equal
  3. 3.1/9 + 5/9 = ? (a) 2/3 (b) 7/9 (c) 1/3 (d) 5/9
  4. 4.1/2 + 3/6 = ? (a) 5/6 (b) 1/2 (c) 1 (d) 7/6
  5. 5.What is 1/8 of 24? (a) 4 (b) 6 (c) 21 (d) 3
  6. 6.What is 1/3 of 30? (a) 9 (b) 10 (c) 11 (d) 20
  7. 7.2/6 + 2/9 = ? (a) 4/15 (b) 11/18 (c) 5/9 (d) 1/2
  8. 8.Which fraction is greater: 4/7 or 2/3? (a) 2/3 (b) They are equal (c) 4/7
  9. 9.Which fraction is greater: 1/4 or 3/5? (a) 1/4 (b) They are equal (c) 3/5
  10. 10.Which fraction is greater: 7/9 or 1/5? (a) They are equal (b) 7/9 (c) 1/5
  11. 11.Which fraction is greater: 3/4 or 1/5? (a) 1/5 (b) They are equal (c) 3/4
  12. 12.What is 1/9 of 99? (a) 12 (b) 11 (c) 22 (d) 88
  13. 13.Which fraction is greater: 1/3 or 1/6? (a) They are equal (b) 1/3 (c) 1/6
  14. 14.What is 1/4 of 32? (a) 9 (b) 8 (c) 24 (d) 16
  15. 15.Which fraction is greater: 3/5 or 5/7? (a) They are equal (b) 5/7 (c) 3/5
  16. 16.Which fraction is greater: 2/7 or 1/4? (a) 2/7 (b) They are equal (c) 1/4
  17. 17.2/3 + 1/8 = ? (a) 3/11 (b) 5/6 (c) 19/24 (d) 3/4
  18. 18.Which fraction is greater: 5/8 or 3/4? (a) 5/8 (b) 3/4 (c) They are equal
  19. 19.What is 1/3 of 18? (a) 6 (b) 5 (c) 12 (d) 7
  20. 20.Which fraction is greater: 5/8 or 3/11? (a) 3/11 (b) 5/8 (c) They are equal
  21. 21.What is 1/2 of 6? (a) 4 (b) 3 (c) 2 (d) 6
  22. 22.1/3 + 1/5 = ? (a) 8/15 (b) 3/5 (c) 7/15 (d) 1/4
  23. 23.Which fraction is greater: 2/11 or 1/7? (a) They are equal (b) 1/7 (c) 2/11
  24. 24.Which fraction is greater: 2/7 or 11/12? (a) 11/12 (b) They are equal (c) 2/7
  25. 25.What is 1/9 of 45? (a) 5 (b) 6 (c) 40 (d) 10
  26. 26.What is 3/4 of 32? (a) 25 (b) 32 (c) 8 (d) 24
  27. 27.What is 4/5 of 15? (a) 3 (b) 15 (c) 12 (d) 13
  28. 28.2/4 + 4/7 = ? (a) 6/11 (b) 29/28 (c) 15/14 (d) 31/28
  29. 29.3/4 + 5/6 = ? (a) 5/3 (b) 19/12 (c) 4/5 (d) 3/2
  30. 30.Which fraction is greater: 1/7 or 1/4? (a) They are equal (b) 1/7 (c) 1/4
  31. 31.2/3 + 1/5 = ? (a) 4/5 (b) 3/8 (c) 13/15 (d) 14/15
  32. 32.Which fraction is greater: 2/5 or 1/3? (a) 1/3 (b) They are equal (c) 2/5
  33. 33.Which fraction is greater: 3/4 or 1/3? (a) 1/3 (b) 3/4 (c) They are equal
  34. 34.Which fraction is greater: 7/12 or 1/6? (a) 1/6 (b) They are equal (c) 7/12
  35. 35.5/7 + 5/7 = ? (a) 9/7 (b) 11/7 (c) 10/7 (d) 5/7
  36. 36.What is 2/3 of 36? (a) 36 (b) 24 (c) 25 (d) 12
  37. 37.Which fraction is greater: 5/6 or 1/12? (a) They are equal (b) 1/12 (c) 5/6
  38. 38.What is 4/7 of 70? (a) 30 (b) 10 (c) 40 (d) 50
  39. 39.Which fraction is greater: 3/5 or 3/4? (a) 3/5 (b) They are equal (c) 3/4
  40. 40.Which fraction is greater: 2/3 or 9/10? (a) They are equal (b) 2/3 (c) 9/10

Answer key

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

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