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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 996 · 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: 4/11 or 3/10? (a) They are equal (b) 4/11 (c) 3/10
  2. 2.Which fraction is greater: 7/10 or 1/4? (a) 1/4 (b) They are equal (c) 7/10
  3. 3.Which fraction is greater: 1/10 or 7/12? (a) 7/12 (b) 1/10 (c) They are equal
  4. 4.5/8 + 1/3 = ? (a) 1 (b) 6/11 (c) 11/12 (d) 23/24
  5. 5.3/6 + 2/9 = ? (a) 1/3 (b) 13/18 (c) 2/3 (d) 7/9
  6. 6.Which fraction is greater: 5/12 or 4/9? (a) 5/12 (b) 4/9 (c) They are equal
  7. 7.What is 4/9 of 108? (a) 12 (b) 49 (c) 48 (d) 60
  8. 8.3/9 + 1/2 = ? (a) 7/9 (b) 8/9 (c) 4/11 (d) 5/6
  9. 9.Which fraction is greater: 1/4 or 6/11? (a) 1/4 (b) 6/11 (c) They are equal
  10. 10.Which fraction is greater: 1/3 or 7/9? (a) 1/3 (b) They are equal (c) 7/9
  11. 11.What is 4/7 of 63? (a) 9 (b) 36 (c) 27 (d) 45
  12. 12.What is 5/7 of 63? (a) 54 (b) 45 (c) 18 (d) 9
  13. 13.What is 5/8 of 40? (a) 30 (b) 15 (c) 5 (d) 25
  14. 14.Which fraction is greater: 2/3 or 7/10? (a) They are equal (b) 2/3 (c) 7/10
  15. 15.Which fraction is greater: 8/11 or 1/5? (a) They are equal (b) 8/11 (c) 1/5
  16. 16.Which fraction is greater: 2/3 or 9/11? (a) They are equal (b) 2/3 (c) 9/11
  17. 17.Which fraction is greater: 2/3 or 3/5? (a) 2/3 (b) They are equal (c) 3/5
  18. 18.Which fraction is greater: 4/5 or 1/4? (a) 4/5 (b) They are equal (c) 1/4
  19. 19.What is 4/7 of 35? (a) 25 (b) 15 (c) 5 (d) 20
  20. 20.What is 4/5 of 15? (a) 15 (b) 3 (c) 13 (d) 12
  21. 21.What is 1/4 of 32? (a) 8 (b) 9 (c) 24 (d) 16
  22. 22.Which fraction is greater: 1/12 or 4/5? (a) 1/12 (b) 4/5 (c) They are equal
  23. 23.1/5 + 1/7 = ? (a) 12/35 (b) 11/35 (c) 1/6 (d) 13/35
  24. 24.What is 1/5 of 20? (a) 4 (b) 16 (c) 8 (d) 5
  25. 25.Which fraction is greater: 3/5 or 2/11? (a) They are equal (b) 3/5 (c) 2/11
  26. 26.What is 2/7 of 35? (a) 25 (b) 5 (c) 10 (d) 15
  27. 27.Which fraction is greater: 1/4 or 1/9? (a) They are equal (b) 1/4 (c) 1/9
  28. 28.4/8 + 3/4 = ? (a) 5/4 (b) 7/12 (c) 11/8 (d) 9/8
  29. 29.Which fraction is greater: 5/12 or 2/5? (a) They are equal (b) 5/12 (c) 2/5
  30. 30.What is 3/7 of 14? (a) 2 (b) 7 (c) 8 (d) 6
  31. 31.1/2 + 1/2 = ? (a) 1 (b) 1/2 (c) 3/2 (d) 2
  32. 32.1/2 + 4/5 = ? (a) 13/10 (b) 5/7 (c) 7/5 (d) 6/5
  33. 33.What is 3/7 of 28? (a) 13 (b) 16 (c) 4 (d) 12
  34. 34.1/2 + 5/7 = ? (a) 9/7 (b) 8/7 (c) 17/14 (d) 2/3
  35. 35.3/4 + 7/8 = ? (a) 13/8 (b) 3/2 (c) 7/4 (d) 5/6
  36. 36.What is 1/4 of 16? (a) 12 (b) 4 (c) 8 (d) 5
  37. 37.2/7 + 1/2 = ? (a) 6/7 (b) 5/7 (c) 1/3 (d) 11/14
  38. 38.4/7 + 2/5 = ? (a) 33/35 (b) 1/2 (c) 34/35 (d) 1
  39. 39.5/8 + 2/6 = ? (a) 23/24 (b) 1/2 (c) 1 (d) 11/12
  40. 40.Which fraction is greater: 4/11 or 8/9? (a) They are equal (b) 8/9 (c) 4/11

Answer key

  1. 4/11
  2. 7/10
  3. 7/12
  4. 23/24
  5. 13/18
  6. 4/9
  7. 48
  8. 5/6
  9. 6/11
  10. 7/9
  11. 36
  12. 45
  13. 25
  14. 7/10
  15. 8/11
  16. 9/11
  17. 2/3
  18. 4/5
  19. 20
  20. 12
  21. 8
  22. 4/5
  23. 12/35
  24. 4
  25. 3/5
  26. 10
  27. 1/4
  28. 5/4
  29. 5/12
  30. 6
  31. 1
  32. 13/10
  33. 12
  34. 17/14
  35. 13/8
  36. 4
  37. 11/14
  38. 34/35
  39. 23/24
  40. 8/9

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