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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 69 · 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: 3/4 or 3/7? (a) 3/7 (b) 3/4 (c) They are equal
  2. 2.Which fraction is greater: 2/5 or 1/3? (a) They are equal (b) 1/3 (c) 2/5
  3. 3.1/8 + 1/3 = ? (a) 2/11 (b) 1/2 (c) 11/24 (d) 5/12
  4. 4.What is 2/9 of 81? (a) 27 (b) 63 (c) 18 (d) 9
  5. 5.Which fraction is greater: 3/10 or 1/5? (a) 3/10 (b) 1/5 (c) They are equal
  6. 6.3/7 + 2/3 = ? (a) 1/2 (b) 23/21 (c) 8/7 (d) 22/21
  7. 7.Which fraction is greater: 1/3 or 2/9? (a) They are equal (b) 2/9 (c) 1/3
  8. 8.Which fraction is greater: 7/8 or 1/3? (a) 7/8 (b) 1/3 (c) They are equal
  9. 9.What is 1/2 of 18? (a) 10 (b) 18 (c) 8 (d) 9
  10. 10.4/6 + 1/2 = ? (a) 1 (b) 5/8 (c) 4/3 (d) 7/6
  11. 11.What is 3/7 of 49? (a) 22 (b) 28 (c) 21 (d) 7
  12. 12.Which fraction is greater: 1/7 or 1/8? (a) They are equal (b) 1/8 (c) 1/7
  13. 13.Which fraction is greater: 7/8 or 4/5? (a) They are equal (b) 4/5 (c) 7/8
  14. 14.3/4 + 1/8 = ? (a) 1 (b) 3/4 (c) 7/8 (d) 1/3
  15. 15.4/5 + 1/2 = ? (a) 5/7 (b) 7/5 (c) 13/10 (d) 6/5
  16. 16.What is 1/3 of 33? (a) 12 (b) 22 (c) 11 (d) 10
  17. 17.What is 1/5 of 55? (a) 22 (b) 44 (c) 12 (d) 11
  18. 18.Which fraction is greater: 3/11 or 1/4? (a) They are equal (b) 1/4 (c) 3/11
  19. 19.4/6 + 6/8 = ? (a) 5/7 (b) 17/12 (c) 11/8 (d) 35/24
  20. 20.1/2 + 3/5 = ? (a) 4/7 (b) 1 (c) 11/10 (d) 6/5
  21. 21.What is 1/5 of 20? (a) 8 (b) 5 (c) 4 (d) 16
  22. 22.Which fraction is greater: 3/5 or 1/4? (a) 3/5 (b) They are equal (c) 1/4
  23. 23.What is 8/9 of 36? (a) 36 (b) 4 (c) 32 (d) 33
  24. 24.1/5 + 4/5 = ? (a) 1/2 (b) 6/5 (c) 4/5 (d) 1
  25. 25.What is 2/5 of 60? (a) 25 (b) 12 (c) 36 (d) 24
  26. 26.What is 4/9 of 36? (a) 20 (b) 4 (c) 16 (d) 17
  27. 27.What is 1/4 of 20? (a) 6 (b) 10 (c) 5 (d) 15
  28. 28.Which fraction is greater: 1/9 or 4/11? (a) 4/11 (b) They are equal (c) 1/9
  29. 29.1/2 + 6/7 = ? (a) 19/14 (b) 9/7 (c) 10/7 (d) 7/9
  30. 30.1/2 + 2/8 = ? (a) 7/8 (b) 5/8 (c) 3/10 (d) 3/4
  31. 31.Which fraction is greater: 1/6 or 4/11? (a) 4/11 (b) 1/6 (c) They are equal
  32. 32.1/4 + 1/5 = ? (a) 1/2 (b) 2/5 (c) 2/9 (d) 9/20
  33. 33.1/6 + 2/8 = ? (a) 5/12 (b) 3/8 (c) 11/24 (d) 3/14
  34. 34.3/4 + 1/4 = ? (a) 3/4 (b) 1/2 (c) 5/4 (d) 1
  35. 35.5/9 + 1/6 = ? (a) 2/5 (b) 7/9 (c) 2/3 (d) 13/18
  36. 36.2/5 + 3/4 = ? (a) 6/5 (b) 23/20 (c) 11/10 (d) 5/9
  37. 37.Which fraction is greater: 1/8 or 7/11? (a) 1/8 (b) 7/11 (c) They are equal
  38. 38.Which fraction is greater: 2/5 or 5/8? (a) They are equal (b) 2/5 (c) 5/8
  39. 39.Which fraction is greater: 1/7 or 1/5? (a) They are equal (b) 1/7 (c) 1/5
  40. 40.7/8 + 1/2 = ? (a) 5/4 (b) 3/2 (c) 11/8 (d) 4/5

Answer key

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

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