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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 734 · 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. 1.2/4 + 1/3 = ? (a) 5/6 (b) 3/7 (c) 11/12 (d) 3/4
  2. 2.3/4 + 4/8 = ? (a) 5/4 (b) 9/8 (c) 7/12 (d) 11/8
  3. 3.2/3 + 2/5 = ? (a) 17/15 (b) 16/15 (c) 1 (d) 1/2
  4. 4.Which fraction is greater: 1/7 or 10/11? (a) 1/7 (b) 10/11 (c) They are equal
  5. 5.4/5 + 1/6 = ? (a) 5/11 (b) 14/15 (c) 29/30 (d) 1
  6. 6.What is 2/3 of 18? (a) 18 (b) 6 (c) 13 (d) 12
  7. 7.5/7 + 1/3 = ? (a) 1 (b) 23/21 (c) 3/5 (d) 22/21
  8. 8.3/5 + 1/2 = ? (a) 6/5 (b) 4/7 (c) 11/10 (d) 1
  9. 9.1/2 + 6/7 = ? (a) 7/9 (b) 10/7 (c) 9/7 (d) 19/14
  10. 10.Which fraction is greater: 1/5 or 3/7? (a) 1/5 (b) 3/7 (c) They are equal
  11. 11.1/3 + 2/4 = ? (a) 3/4 (b) 11/12 (c) 5/6 (d) 3/7
  12. 12.What is 1/3 of 30? (a) 10 (b) 11 (c) 20 (d) 9
  13. 13.What is 1/5 of 35? (a) 28 (b) 8 (c) 7 (d) 14
  14. 14.What is 1/6 of 48? (a) 8 (b) 16 (c) 9 (d) 40
  15. 15.1/2 + 2/4 = ? (a) 1/2 (b) 3/4 (c) 1 (d) 5/4
  16. 16.Which fraction is greater: 3/4 or 3/10? (a) 3/10 (b) They are equal (c) 3/4
  17. 17.Which fraction is greater: 4/5 or 2/9? (a) 2/9 (b) They are equal (c) 4/5
  18. 18.What is 1/5 of 15? (a) 6 (b) 4 (c) 3 (d) 12
  19. 19.1/2 + 1/6 = ? (a) 5/6 (b) 1/4 (c) 1/2 (d) 2/3
  20. 20.What is 3/4 of 48? (a) 12 (b) 48 (c) 36 (d) 37
  21. 21.1/2 + 3/6 = ? (a) 1/2 (b) 7/6 (c) 5/6 (d) 1
  22. 22.2/3 + 6/9 = ? (a) 4/3 (b) 2/3 (c) 11/9 (d) 13/9
  23. 23.2/3 + 1/7 = ? (a) 16/21 (b) 6/7 (c) 3/10 (d) 17/21
  24. 24.1/7 + 3/7 = ? (a) 5/7 (b) 3/7 (c) 2/7 (d) 4/7
  25. 25.3/6 + 3/4 = ? (a) 5/4 (b) 4/3 (c) 3/5 (d) 7/6
  26. 26.What is 1/5 of 60? (a) 48 (b) 13 (c) 24 (d) 12
  27. 27.Which fraction is greater: 3/4 or 7/11? (a) 7/11 (b) 3/4 (c) They are equal
  28. 28.Which fraction is greater: 1/3 or 7/12? (a) They are equal (b) 1/3 (c) 7/12
  29. 29.Which fraction is greater: 2/5 or 7/8? (a) They are equal (b) 7/8 (c) 2/5
  30. 30.What is 1/3 of 33? (a) 10 (b) 22 (c) 12 (d) 11
  31. 31.Which fraction is greater: 1/6 or 7/12? (a) They are equal (b) 7/12 (c) 1/6
  32. 32.1/2 + 1/2 = ? (a) 3/2 (b) 2 (c) 1/2 (d) 1
  33. 33.Which fraction is greater: 1/6 or 3/4? (a) 1/6 (b) 3/4 (c) They are equal
  34. 34.1/2 + 1/8 = ? (a) 1/2 (b) 5/8 (c) 3/4 (d) 1/5
  35. 35.Which fraction is greater: 6/7 or 5/11? (a) 6/7 (b) 5/11 (c) They are equal
  36. 36.Which fraction is greater: 2/11 or 2/5? (a) 2/11 (b) They are equal (c) 2/5
  37. 37.What is 1/4 of 32? (a) 16 (b) 8 (c) 24 (d) 9
  38. 38.Which fraction is greater: 3/4 or 5/11? (a) 5/11 (b) They are equal (c) 3/4
  39. 39.What is 4/5 of 25? (a) 5 (b) 25 (c) 21 (d) 20
  40. 40.Which fraction is greater: 6/11 or 3/4? (a) 3/4 (b) They are equal (c) 6/11

Answer key

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

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