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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 35 · 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.What is 1/3 of 9? (a) 2 (b) 6 (c) 4 (d) 3
  2. 2.1/3 + 1/4 = ? (a) 7/12 (b) 2/3 (c) 1/2 (d) 2/7
  3. 3.Which fraction is greater: 5/8 or 5/12? (a) 5/8 (b) 5/12 (c) They are equal
  4. 4.Which fraction is greater: 1/4 or 1/8? (a) 1/8 (b) 1/4 (c) They are equal
  5. 5.Which fraction is greater: 4/11 or 3/7? (a) 3/7 (b) 4/11 (c) They are equal
  6. 6.Which fraction is greater: 3/10 or 5/7? (a) 3/10 (b) They are equal (c) 5/7
  7. 7.What is 2/3 of 6? (a) 5 (b) 4 (c) 2 (d) 6
  8. 8.Which fraction is greater: 7/10 or 5/6? (a) They are equal (b) 5/6 (c) 7/10
  9. 9.Which fraction is greater: 2/5 or 9/10? (a) 2/5 (b) 9/10 (c) They are equal
  10. 10.Which fraction is greater: 3/8 or 1/3? (a) They are equal (b) 3/8 (c) 1/3
  11. 11.What is 5/6 of 18? (a) 15 (b) 3 (c) 18 (d) 16
  12. 12.2/3 + 1/2 = ? (a) 4/3 (b) 1 (c) 7/6 (d) 3/5
  13. 13.Which fraction is greater: 1/5 or 2/9? (a) 1/5 (b) They are equal (c) 2/9
  14. 14.1/2 + 2/9 = ? (a) 13/18 (b) 2/3 (c) 3/11 (d) 7/9
  15. 15.1/2 + 5/8 = ? (a) 5/4 (b) 1 (c) 3/5 (d) 9/8
  16. 16.What is 5/6 of 12? (a) 10 (b) 2 (c) 12 (d) 11
  17. 17.1/5 + 2/7 = ? (a) 17/35 (b) 16/35 (c) 18/35 (d) 1/4
  18. 18.Which fraction is greater: 6/7 or 1/5? (a) 1/5 (b) 6/7 (c) They are equal
  19. 19.1/5 + 2/6 = ? (a) 1/2 (b) 3/11 (c) 17/30 (d) 8/15
  20. 20.2/4 + 2/5 = ? (a) 19/20 (b) 17/20 (c) 4/9 (d) 9/10
  21. 21.Which fraction is greater: 3/4 or 2/3? (a) 2/3 (b) 3/4 (c) They are equal
  22. 22.Which fraction is greater: 1/3 or 7/8? (a) 1/3 (b) They are equal (c) 7/8
  23. 23.3/6 + 2/8 = ? (a) 5/14 (b) 17/24 (c) 3/4 (d) 19/24
  24. 24.Which fraction is greater: 5/11 or 5/6? (a) 5/6 (b) 5/11 (c) They are equal
  25. 25.What is 2/9 of 72? (a) 16 (b) 56 (c) 24 (d) 8
  26. 26.2/3 + 1/3 = ? (a) 1 (b) 4/3 (c) 1/2 (d) 2/3
  27. 27.2/6 + 1/2 = ? (a) 2/3 (b) 3/8 (c) 5/6 (d) 1
  28. 28.2/6 + 2/3 = ? (a) 4/9 (b) 5/6 (c) 1 (d) 7/6
  29. 29.What is 4/5 of 25? (a) 25 (b) 21 (c) 20 (d) 5
  30. 30.1/5 + 1/5 = ? (a) 4/5 (b) 3/5 (c) 1/5 (d) 2/5
  31. 31.1/9 + 2/4 = ? (a) 7/12 (b) 3/13 (c) 23/36 (d) 11/18
  32. 32.What is 3/4 of 40? (a) 30 (b) 40 (c) 10 (d) 31
  33. 33.1/2 + 2/3 = ? (a) 7/6 (b) 1 (c) 3/5 (d) 4/3
  34. 34.1/3 + 1/3 = ? (a) 1 (b) 2/3 (c) 4/3 (d) 1/3
  35. 35.What is 3/4 of 32? (a) 24 (b) 25 (c) 8 (d) 32
  36. 36.What is 2/5 of 50? (a) 21 (b) 20 (c) 30 (d) 10
  37. 37.1/7 + 2/3 = ? (a) 3/10 (b) 16/21 (c) 17/21 (d) 6/7
  38. 38.What is 1/2 of 4? (a) 2 (b) 1 (c) 3 (d) 4
  39. 39.1/4 + 1/3 = ? (a) 2/3 (b) 7/12 (c) 1/2 (d) 2/7
  40. 40.Which fraction is greater: 5/9 or 1/5? (a) 5/9 (b) 1/5 (c) They are equal

Answer key

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

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