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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 168 · 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) 4 (c) 3 (d) 6
  2. 2.Which fraction is greater: 7/9 or 2/7? (a) They are equal (b) 7/9 (c) 2/7
  3. 3.2/4 + 1/2 = ? (a) 3/4 (b) 5/4 (c) 1 (d) 1/2
  4. 4.What is 3/4 of 20? (a) 5 (b) 20 (c) 15 (d) 16
  5. 5.3/5 + 4/7 = ? (a) 6/5 (b) 8/7 (c) 41/35 (d) 7/12
  6. 6.Which fraction is greater: 6/11 or 2/3? (a) 2/3 (b) They are equal (c) 6/11
  7. 7.Which fraction is greater: 6/7 or 1/5? (a) 1/5 (b) 6/7 (c) They are equal
  8. 8.What is 1/4 of 28? (a) 7 (b) 21 (c) 8 (d) 14
  9. 9.What is 4/7 of 63? (a) 45 (b) 27 (c) 36 (d) 9
  10. 10.1/3 + 1/3 = ? (a) 4/3 (b) 1 (c) 1/3 (d) 2/3
  11. 11.Which fraction is greater: 1/4 or 2/3? (a) 2/3 (b) They are equal (c) 1/4
  12. 12.What is 2/3 of 33? (a) 11 (b) 33 (c) 22 (d) 23
  13. 13.Which fraction is greater: 1/3 or 4/5? (a) 1/3 (b) 4/5 (c) They are equal
  14. 14.What is 1/3 of 18? (a) 7 (b) 12 (c) 6 (d) 5
  15. 15.1/8 + 5/6 = ? (a) 1 (b) 11/12 (c) 23/24 (d) 3/7
  16. 16.6/8 + 1/2 = ? (a) 9/8 (b) 7/10 (c) 11/8 (d) 5/4
  17. 17.Which fraction is greater: 2/11 or 3/7? (a) 3/7 (b) They are equal (c) 2/11
  18. 18.2/4 + 1/4 = ? (a) 3/8 (b) 1/2 (c) 1 (d) 3/4
  19. 19.1/2 + 2/3 = ? (a) 7/6 (b) 1 (c) 3/5 (d) 4/3
  20. 20.2/5 + 1/2 = ? (a) 3/7 (b) 1 (c) 4/5 (d) 9/10
  21. 21.Which fraction is greater: 2/7 or 2/3? (a) 2/7 (b) They are equal (c) 2/3
  22. 22.What is 3/5 of 10? (a) 2 (b) 8 (c) 6 (d) 4
  23. 23.What is 4/5 of 15? (a) 3 (b) 12 (c) 13 (d) 15
  24. 24.Which fraction is greater: 1/3 or 1/9? (a) 1/3 (b) 1/9 (c) They are equal
  25. 25.Which fraction is greater: 5/9 or 2/5? (a) 2/5 (b) 5/9 (c) They are equal
  26. 26.Which fraction is greater: 1/6 or 7/10? (a) 1/6 (b) They are equal (c) 7/10
  27. 27.Which fraction is greater: 1/4 or 3/11? (a) 3/11 (b) 1/4 (c) They are equal
  28. 28.3/8 + 3/4 = ? (a) 1/2 (b) 1 (c) 5/4 (d) 9/8
  29. 29.2/9 + 3/4 = ? (a) 17/18 (b) 1 (c) 35/36 (d) 5/13
  30. 30.2/6 + 6/9 = ? (a) 17/18 (b) 19/18 (c) 1 (d) 8/15
  31. 31.Which fraction is greater: 3/4 or 1/9? (a) They are equal (b) 3/4 (c) 1/9
  32. 32.What is 5/7 of 42? (a) 6 (b) 36 (c) 12 (d) 30
  33. 33.What is 1/7 of 56? (a) 48 (b) 9 (c) 16 (d) 8
  34. 34.What is 7/9 of 72? (a) 16 (b) 8 (c) 64 (d) 56
  35. 35.Which fraction is greater: 1/7 or 1/3? (a) They are equal (b) 1/7 (c) 1/3
  36. 36.What is 3/8 of 88? (a) 11 (b) 55 (c) 44 (d) 33
  37. 37.Which fraction is greater: 2/3 or 1/6? (a) 1/6 (b) 2/3 (c) They are equal
  38. 38.Which fraction is greater: 7/12 or 4/5? (a) 7/12 (b) They are equal (c) 4/5
  39. 39.Which fraction is greater: 5/9 or 6/7? (a) 5/9 (b) 6/7 (c) They are equal
  40. 40.1/4 + 1/2 = ? (a) 3/4 (b) 1/2 (c) 1 (d) 1/3

Answer key

  1. 3
  2. 7/9
  3. 1
  4. 15
  5. 41/35
  6. 2/3
  7. 6/7
  8. 7
  9. 36
  10. 2/3
  11. 2/3
  12. 22
  13. 4/5
  14. 6
  15. 23/24
  16. 5/4
  17. 3/7
  18. 3/4
  19. 7/6
  20. 9/10
  21. 2/3
  22. 6
  23. 12
  24. 1/3
  25. 5/9
  26. 7/10
  27. 3/11
  28. 9/8
  29. 35/36
  30. 1
  31. 3/4
  32. 30
  33. 8
  34. 56
  35. 1/3
  36. 33
  37. 2/3
  38. 4/5
  39. 6/7
  40. 3/4

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