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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 255 · 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. 1.1/4 + 4/7 = ? (a) 5/11 (b) 11/14 (c) 23/28 (d) 6/7
  2. 2.Which fraction is greater: 3/10 or 7/12? (a) They are equal (b) 7/12 (c) 3/10
  3. 3.2/9 + 1/9 = ? (a) 1/6 (b) 1/3 (c) 4/9 (d) 2/9
  4. 4.Which fraction is greater: 8/9 or 5/7? (a) 8/9 (b) 5/7 (c) They are equal
  5. 5.1/5 + 2/6 = ? (a) 17/30 (b) 8/15 (c) 3/11 (d) 1/2
  6. 6.Which fraction is greater: 4/5 or 1/3? (a) They are equal (b) 4/5 (c) 1/3
  7. 7.Which fraction is greater: 1/12 or 1/5? (a) 1/5 (b) They are equal (c) 1/12
  8. 8.What is 1/3 of 6? (a) 2 (b) 1 (c) 4 (d) 3
  9. 9.Which fraction is greater: 1/5 or 3/4? (a) 1/5 (b) They are equal (c) 3/4
  10. 10.5/6 + 1/9 = ? (a) 1 (b) 8/9 (c) 17/18 (d) 2/5
  11. 11.4/7 + 1/2 = ? (a) 5/9 (b) 8/7 (c) 1 (d) 15/14
  12. 12.4/8 + 1/2 = ? (a) 1 (b) 9/8 (c) 7/8 (d) 1/2
  13. 13.What is 1/4 of 36? (a) 27 (b) 18 (c) 10 (d) 9
  14. 14.Which fraction is greater: 1/3 or 7/12? (a) They are equal (b) 7/12 (c) 1/3
  15. 15.What is 1/2 of 16? (a) 7 (b) 9 (c) 8 (d) 16
  16. 16.What is 1/3 of 9? (a) 2 (b) 4 (c) 3 (d) 6
  17. 17.1/3 + 1/2 = ? (a) 2/3 (b) 5/6 (c) 2/5 (d) 1
  18. 18.Which fraction is greater: 2/3 or 1/7? (a) They are equal (b) 1/7 (c) 2/3
  19. 19.Which fraction is greater: 2/3 or 6/7? (a) They are equal (b) 6/7 (c) 2/3
  20. 20.1/5 + 5/7 = ? (a) 31/35 (b) 32/35 (c) 1/2 (d) 33/35
  21. 21.2/8 + 3/4 = ? (a) 5/12 (b) 7/8 (c) 1 (d) 9/8
  22. 22.1/9 + 1/6 = ? (a) 2/9 (b) 2/15 (c) 5/18 (d) 1/3
  23. 23.What is 1/2 of 18? (a) 10 (b) 9 (c) 8 (d) 18
  24. 24.Which fraction is greater: 4/11 or 1/3? (a) 1/3 (b) 4/11 (c) They are equal
  25. 25.Which fraction is greater: 1/8 or 3/11? (a) 1/8 (b) They are equal (c) 3/11
  26. 26.What is 1/6 of 72? (a) 12 (b) 24 (c) 60 (d) 13
  27. 27.What is 3/7 of 63? (a) 28 (b) 27 (c) 36 (d) 9
  28. 28.2/6 + 1/2 = ? (a) 3/8 (b) 1 (c) 2/3 (d) 5/6
  29. 29.What is 2/7 of 21? (a) 15 (b) 3 (c) 9 (d) 6
  30. 30.What is 1/4 of 40? (a) 11 (b) 10 (c) 30 (d) 20
  31. 31.1/2 + 1/4 = ? (a) 1/3 (b) 3/4 (c) 1/2 (d) 1
  32. 32.2/5 + 2/7 = ? (a) 1/3 (b) 5/7 (c) 24/35 (d) 23/35
  33. 33.3/9 + 1/3 = ? (a) 7/9 (b) 5/9 (c) 2/3 (d) 1/3
  34. 34.Which fraction is greater: 3/4 or 3/8? (a) 3/8 (b) 3/4 (c) They are equal
  35. 35.What is 1/4 of 28? (a) 8 (b) 14 (c) 21 (d) 7
  36. 36.Which fraction is greater: 2/9 or 2/3? (a) They are equal (b) 2/3 (c) 2/9
  37. 37.Which fraction is greater: 1/6 or 1/7? (a) 1/6 (b) 1/7 (c) They are equal
  38. 38.1/4 + 1/2 = ? (a) 1/2 (b) 1/3 (c) 1 (d) 3/4
  39. 39.2/4 + 1/3 = ? (a) 5/6 (b) 3/4 (c) 3/7 (d) 11/12
  40. 40.What is 1/2 of 14? (a) 7 (b) 14 (c) 6 (d) 8

Answer key

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

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