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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 509 · 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: 1/4 or 4/9? (a) 4/9 (b) 1/4 (c) They are equal
  2. 2.Which fraction is greater: 1/10 or 1/8? (a) 1/8 (b) 1/10 (c) They are equal
  3. 3.Which fraction is greater: 3/7 or 8/11? (a) 8/11 (b) They are equal (c) 3/7
  4. 4.Which fraction is greater: 2/3 or 3/5? (a) They are equal (b) 3/5 (c) 2/3
  5. 5.1/7 + 1/3 = ? (a) 1/5 (b) 3/7 (c) 10/21 (d) 11/21
  6. 6.Which fraction is greater: 2/3 or 2/5? (a) 2/3 (b) 2/5 (c) They are equal
  7. 7.What is 4/7 of 21? (a) 9 (b) 12 (c) 15 (d) 3
  8. 8.Which fraction is greater: 1/6 or 2/11? (a) 1/6 (b) 2/11 (c) They are equal
  9. 9.What is 1/9 of 63? (a) 14 (b) 7 (c) 8 (d) 56
  10. 10.2/5 + 1/2 = ? (a) 3/7 (b) 9/10 (c) 4/5 (d) 1
  11. 11.Which fraction is greater: 1/3 or 3/4? (a) They are equal (b) 3/4 (c) 1/3
  12. 12.3/4 + 6/8 = ? (a) 11/8 (b) 3/4 (c) 13/8 (d) 3/2
  13. 13.2/8 + 4/6 = ? (a) 3/7 (b) 7/8 (c) 11/12 (d) 23/24
  14. 14.1/2 + 1/2 = ? (a) 1 (b) 1/2 (c) 3/2 (d) 2
  15. 15.What is 5/7 of 49? (a) 42 (b) 35 (c) 7 (d) 14
  16. 16.6/7 + 1/2 = ? (a) 7/9 (b) 19/14 (c) 9/7 (d) 10/7
  17. 17.Which fraction is greater: 5/11 or 1/5? (a) 5/11 (b) They are equal (c) 1/5
  18. 18.Which fraction is greater: 5/6 or 1/3? (a) 5/6 (b) They are equal (c) 1/3
  19. 19.What is 1/5 of 60? (a) 13 (b) 12 (c) 48 (d) 24
  20. 20.Which fraction is greater: 1/4 or 1/11? (a) They are equal (b) 1/11 (c) 1/4
  21. 21.1/2 + 2/4 = ? (a) 3/4 (b) 1 (c) 1/2 (d) 5/4
  22. 22.3/4 + 2/7 = ? (a) 15/14 (b) 1 (c) 5/11 (d) 29/28
  23. 23.3/9 + 1/3 = ? (a) 7/9 (b) 5/9 (c) 1/3 (d) 2/3
  24. 24.What is 1/4 of 48? (a) 24 (b) 36 (c) 13 (d) 12
  25. 25.What is 4/9 of 36? (a) 16 (b) 4 (c) 20 (d) 17
  26. 26.What is 2/3 of 6? (a) 5 (b) 4 (c) 6 (d) 2
  27. 27.What is 1/2 of 8? (a) 8 (b) 5 (c) 3 (d) 4
  28. 28.1/4 + 2/4 = ? (a) 1/2 (b) 3/4 (c) 1 (d) 3/8
  29. 29.Which fraction is greater: 3/5 or 6/11? (a) 6/11 (b) They are equal (c) 3/5
  30. 30.Which fraction is greater: 3/4 or 6/7? (a) 6/7 (b) 3/4 (c) They are equal
  31. 31.Which fraction is greater: 3/8 or 3/4? (a) 3/8 (b) They are equal (c) 3/4
  32. 32.1/2 + 4/7 = ? (a) 1 (b) 5/9 (c) 8/7 (d) 15/14
  33. 33.Which fraction is greater: 1/4 or 1/8? (a) 1/8 (b) 1/4 (c) They are equal
  34. 34.6/7 + 1/4 = ? (a) 8/7 (b) 7/11 (c) 31/28 (d) 15/14
  35. 35.Which fraction is greater: 1/8 or 1/9? (a) 1/8 (b) They are equal (c) 1/9
  36. 36.Which fraction is greater: 7/9 or 2/7? (a) 2/7 (b) 7/9 (c) They are equal
  37. 37.Which fraction is greater: 1/5 or 4/11? (a) They are equal (b) 1/5 (c) 4/11
  38. 38.3/5 + 2/3 = ? (a) 4/3 (b) 6/5 (c) 5/8 (d) 19/15
  39. 39.2/4 + 1/3 = ? (a) 3/4 (b) 5/6 (c) 3/7 (d) 11/12
  40. 40.Which fraction is greater: 5/11 or 1/8? (a) 1/8 (b) They are equal (c) 5/11

Answer key

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

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