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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 959 · 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: 7/8 or 1/11? (a) 7/8 (b) They are equal (c) 1/11
  2. 2.What is 1/2 of 22? (a) 12 (b) 10 (c) 11 (d) 22
  3. 3.What is 5/7 of 49? (a) 14 (b) 7 (c) 42 (d) 35
  4. 4.1/3 + 2/5 = ? (a) 2/3 (b) 3/8 (c) 4/5 (d) 11/15
  5. 5.Which fraction is greater: 2/3 or 3/5? (a) 2/3 (b) They are equal (c) 3/5
  6. 6.What is 4/7 of 21? (a) 9 (b) 3 (c) 15 (d) 12
  7. 7.2/3 + 4/5 = ? (a) 23/15 (b) 3/4 (c) 22/15 (d) 7/5
  8. 8.Which fraction is greater: 3/4 or 1/5? (a) They are equal (b) 3/4 (c) 1/5
  9. 9.Which fraction is greater: 2/5 or 1/4? (a) 1/4 (b) They are equal (c) 2/5
  10. 10.Which fraction is greater: 11/12 or 2/7? (a) 11/12 (b) 2/7 (c) They are equal
  11. 11.Which fraction is greater: 1/5 or 3/10? (a) They are equal (b) 3/10 (c) 1/5
  12. 12.What is 3/4 of 20? (a) 20 (b) 15 (c) 5 (d) 16
  13. 13.What is 1/4 of 16? (a) 5 (b) 4 (c) 12 (d) 8
  14. 14.1/7 + 2/4 = ? (a) 19/28 (b) 9/14 (c) 17/28 (d) 3/11
  15. 15.What is 1/3 of 27? (a) 10 (b) 18 (c) 9 (d) 8
  16. 16.What is 3/4 of 48? (a) 36 (b) 37 (c) 48 (d) 12
  17. 17.What is 1/3 of 24? (a) 8 (b) 9 (c) 16 (d) 7
  18. 18.Which fraction is greater: 2/3 or 3/4? (a) They are equal (b) 2/3 (c) 3/4
  19. 19.Which fraction is greater: 1/10 or 6/11? (a) 6/11 (b) They are equal (c) 1/10
  20. 20.1/4 + 1/2 = ? (a) 1/3 (b) 1 (c) 3/4 (d) 1/2
  21. 21.What is 1/9 of 36? (a) 4 (b) 5 (c) 32 (d) 8
  22. 22.What is 4/5 of 55? (a) 55 (b) 44 (c) 11 (d) 45
  23. 23.What is 3/5 of 50? (a) 30 (b) 20 (c) 10 (d) 40
  24. 24.3/4 + 8/9 = ? (a) 59/36 (b) 11/13 (c) 5/3 (d) 29/18
  25. 25.1/2 + 3/4 = ? (a) 5/4 (b) 2/3 (c) 3/2 (d) 1
  26. 26.What is 1/4 of 48? (a) 24 (b) 12 (c) 36 (d) 13
  27. 27.2/3 + 1/3 = ? (a) 2/3 (b) 1/2 (c) 1 (d) 4/3
  28. 28.Which fraction is greater: 3/7 or 11/12? (a) 3/7 (b) 11/12 (c) They are equal
  29. 29.What is 1/2 of 8? (a) 3 (b) 5 (c) 4 (d) 8
  30. 30.What is 6/7 of 77? (a) 67 (b) 77 (c) 66 (d) 11
  31. 31.What is 7/9 of 108? (a) 12 (b) 24 (c) 84 (d) 96
  32. 32.What is 1/5 of 35? (a) 7 (b) 8 (c) 14 (d) 28
  33. 33.What is 1/2 of 12? (a) 12 (b) 5 (c) 6 (d) 7
  34. 34.What is 1/3 of 15? (a) 10 (b) 6 (c) 4 (d) 5
  35. 35.Which fraction is greater: 1/6 or 1/3? (a) 1/6 (b) They are equal (c) 1/3
  36. 36.Which fraction is greater: 2/9 or 1/7? (a) 1/7 (b) They are equal (c) 2/9
  37. 37.1/4 + 1/6 = ? (a) 5/12 (b) 1/5 (c) 1/3 (d) 1/2
  38. 38.Which fraction is greater: 7/8 or 1/3? (a) 1/3 (b) They are equal (c) 7/8
  39. 39.What is 2/3 of 21? (a) 15 (b) 21 (c) 14 (d) 7
  40. 40.What is 2/5 of 20? (a) 8 (b) 4 (c) 9 (d) 12

Answer key

  1. 7/8
  2. 11
  3. 35
  4. 11/15
  5. 2/3
  6. 12
  7. 22/15
  8. 3/4
  9. 2/5
  10. 11/12
  11. 3/10
  12. 15
  13. 4
  14. 9/14
  15. 9
  16. 36
  17. 8
  18. 3/4
  19. 6/11
  20. 3/4
  21. 4
  22. 44
  23. 30
  24. 59/36
  25. 5/4
  26. 12
  27. 1
  28. 11/12
  29. 4
  30. 66
  31. 84
  32. 7
  33. 6
  34. 5
  35. 1/3
  36. 2/9
  37. 5/12
  38. 7/8
  39. 14
  40. 8

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