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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 57 · 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. 1.1/2 + 4/5 = ? (a) 13/10 (b) 6/5 (c) 7/5 (d) 5/7
  2. 2.What is 1/5 of 30? (a) 6 (b) 7 (c) 12 (d) 24
  3. 3.2/4 + 1/2 = ? (a) 5/4 (b) 1 (c) 3/4 (d) 1/2
  4. 4.What is 5/6 of 60? (a) 50 (b) 60 (c) 51 (d) 10
  5. 5.3/8 + 1/2 = ? (a) 7/8 (b) 3/4 (c) 2/5 (d) 1
  6. 6.What is 2/9 of 54? (a) 18 (b) 6 (c) 12 (d) 42
  7. 7.What is 7/8 of 40? (a) 36 (b) 5 (c) 40 (d) 35
  8. 8.What is 4/7 of 42? (a) 30 (b) 6 (c) 24 (d) 18
  9. 9.Which fraction is greater: 1/5 or 4/7? (a) They are equal (b) 1/5 (c) 4/7
  10. 10.4/5 + 1/3 = ? (a) 16/15 (b) 5/8 (c) 17/15 (d) 6/5
  11. 11.Which fraction is greater: 7/8 or 1/6? (a) 1/6 (b) 7/8 (c) They are equal
  12. 12.What is 1/2 of 18? (a) 8 (b) 18 (c) 9 (d) 10
  13. 13.Which fraction is greater: 1/3 or 7/9? (a) They are equal (b) 1/3 (c) 7/9
  14. 14.What is 5/9 of 108? (a) 60 (b) 48 (c) 12 (d) 72
  15. 15.Which fraction is greater: 1/3 or 4/5? (a) 1/3 (b) 4/5 (c) They are equal
  16. 16.Which fraction is greater: 7/8 or 3/7? (a) 7/8 (b) 3/7 (c) They are equal
  17. 17.2/5 + 1/2 = ? (a) 9/10 (b) 4/5 (c) 3/7 (d) 1
  18. 18.1/5 + 4/6 = ? (a) 13/15 (b) 9/10 (c) 5/11 (d) 5/6
  19. 19.4/6 + 1/3 = ? (a) 7/6 (b) 1 (c) 5/6 (d) 5/9
  20. 20.Which fraction is greater: 5/11 or 3/8? (a) They are equal (b) 3/8 (c) 5/11
  21. 21.1/2 + 5/8 = ? (a) 3/5 (b) 1 (c) 9/8 (d) 5/4
  22. 22.What is 1/2 of 4? (a) 3 (b) 1 (c) 4 (d) 2
  23. 23.4/7 + 2/3 = ? (a) 9/7 (b) 25/21 (c) 3/5 (d) 26/21
  24. 24.What is 5/8 of 72? (a) 45 (b) 9 (c) 27 (d) 54
  25. 25.Which fraction is greater: 1/9 or 1/3? (a) 1/3 (b) 1/9 (c) They are equal
  26. 26.What is 4/5 of 35? (a) 29 (b) 7 (c) 28 (d) 35
  27. 27.What is 1/2 of 16? (a) 8 (b) 7 (c) 16 (d) 9
  28. 28.1/6 + 1/5 = ? (a) 11/30 (b) 1/3 (c) 2/5 (d) 2/11
  29. 29.1/6 + 2/4 = ? (a) 2/3 (b) 7/12 (c) 3/4 (d) 3/10
  30. 30.Which fraction is greater: 1/3 or 3/5? (a) 3/5 (b) 1/3 (c) They are equal
  31. 31.2/9 + 1/2 = ? (a) 2/3 (b) 3/11 (c) 7/9 (d) 13/18
  32. 32.5/7 + 1/4 = ? (a) 6/11 (b) 13/14 (c) 1 (d) 27/28
  33. 33.What is 1/2 of 6? (a) 3 (b) 2 (c) 6 (d) 4
  34. 34.1/3 + 1/2 = ? (a) 2/5 (b) 2/3 (c) 5/6 (d) 1
  35. 35.1/2 + 2/9 = ? (a) 13/18 (b) 2/3 (c) 3/11 (d) 7/9
  36. 36.What is 5/6 of 24? (a) 4 (b) 21 (c) 24 (d) 20
  37. 37.Which fraction is greater: 8/9 or 3/4? (a) 8/9 (b) They are equal (c) 3/4
  38. 38.1/2 + 3/9 = ? (a) 7/9 (b) 4/11 (c) 8/9 (d) 5/6
  39. 39.Which fraction is greater: 8/9 or 2/3? (a) 8/9 (b) 2/3 (c) They are equal
  40. 40.What is 1/4 of 8? (a) 6 (b) 3 (c) 2 (d) 4

Answer key

  1. 13/10
  2. 6
  3. 1
  4. 50
  5. 7/8
  6. 12
  7. 35
  8. 24
  9. 4/7
  10. 17/15
  11. 7/8
  12. 9
  13. 7/9
  14. 60
  15. 4/5
  16. 7/8
  17. 9/10
  18. 13/15
  19. 1
  20. 5/11
  21. 9/8
  22. 2
  23. 26/21
  24. 45
  25. 1/3
  26. 28
  27. 8
  28. 11/30
  29. 2/3
  30. 3/5
  31. 13/18
  32. 27/28
  33. 3
  34. 5/6
  35. 13/18
  36. 20
  37. 8/9
  38. 5/6
  39. 8/9
  40. 2

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