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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 597 · 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. 1.4/6 + 1/5 = ? (a) 9/10 (b) 5/11 (c) 5/6 (d) 13/15
  2. 2.What is 3/7 of 28? (a) 13 (b) 16 (c) 4 (d) 12
  3. 3.Which fraction is greater: 3/4 or 1/5? (a) 3/4 (b) They are equal (c) 1/5
  4. 4.What is 4/7 of 49? (a) 21 (b) 28 (c) 7 (d) 35
  5. 5.What is 1/3 of 15? (a) 4 (b) 10 (c) 6 (d) 5
  6. 6.Which fraction is greater: 1/4 or 2/5? (a) They are equal (b) 2/5 (c) 1/4
  7. 7.1/2 + 2/7 = ? (a) 6/7 (b) 11/14 (c) 1/3 (d) 5/7
  8. 8.Which fraction is greater: 3/10 or 7/11? (a) 3/10 (b) 7/11 (c) They are equal
  9. 9.Which fraction is greater: 3/11 or 2/3? (a) 3/11 (b) 2/3 (c) They are equal
  10. 10.What is 1/2 of 4? (a) 2 (b) 1 (c) 4 (d) 3
  11. 11.4/6 + 1/6 = ? (a) 5/12 (b) 2/3 (c) 1 (d) 5/6
  12. 12.What is 1/2 of 22? (a) 10 (b) 22 (c) 12 (d) 11
  13. 13.2/5 + 1/2 = ? (a) 9/10 (b) 1 (c) 3/7 (d) 4/5
  14. 14.What is 3/8 of 64? (a) 40 (b) 32 (c) 8 (d) 24
  15. 15.Which fraction is greater: 3/4 or 7/11? (a) They are equal (b) 7/11 (c) 3/4
  16. 16.What is 5/6 of 66? (a) 55 (b) 66 (c) 56 (d) 11
  17. 17.What is 5/6 of 18? (a) 16 (b) 18 (c) 3 (d) 15
  18. 18.1/4 + 2/4 = ? (a) 3/8 (b) 1 (c) 1/2 (d) 3/4
  19. 19.1/2 + 4/6 = ? (a) 1 (b) 7/6 (c) 5/8 (d) 4/3
  20. 20.Which fraction is greater: 9/11 or 2/9? (a) 2/9 (b) They are equal (c) 9/11
  21. 21.Which fraction is greater: 1/9 or 3/4? (a) They are equal (b) 1/9 (c) 3/4
  22. 22.1/2 + 1/3 = ? (a) 1 (b) 2/3 (c) 2/5 (d) 5/6
  23. 23.Which fraction is greater: 1/3 or 3/7? (a) They are equal (b) 3/7 (c) 1/3
  24. 24.2/4 + 7/8 = ? (a) 5/4 (b) 3/2 (c) 3/4 (d) 11/8
  25. 25.2/3 + 1/2 = ? (a) 1 (b) 4/3 (c) 7/6 (d) 3/5
  26. 26.What is 1/9 of 36? (a) 8 (b) 32 (c) 4 (d) 5
  27. 27.5/7 + 5/7 = ? (a) 11/7 (b) 5/7 (c) 10/7 (d) 9/7
  28. 28.2/4 + 1/2 = ? (a) 1/2 (b) 5/4 (c) 3/4 (d) 1
  29. 29.1/2 + 2/3 = ? (a) 4/3 (b) 3/5 (c) 1 (d) 7/6
  30. 30.What is 1/3 of 21? (a) 6 (b) 14 (c) 7 (d) 8
  31. 31.What is 1/8 of 56? (a) 7 (b) 14 (c) 49 (d) 8
  32. 32.What is 4/7 of 28? (a) 20 (b) 12 (c) 4 (d) 16
  33. 33.1/6 + 2/4 = ? (a) 7/12 (b) 3/4 (c) 2/3 (d) 3/10
  34. 34.Which fraction is greater: 1/10 or 2/7? (a) 1/10 (b) They are equal (c) 2/7
  35. 35.What is 1/2 of 10? (a) 6 (b) 10 (c) 5 (d) 4
  36. 36.Which fraction is greater: 7/12 or 5/9? (a) They are equal (b) 5/9 (c) 7/12
  37. 37.1/2 + 1/7 = ? (a) 5/7 (b) 9/14 (c) 4/7 (d) 2/9
  38. 38.Which fraction is greater: 8/11 or 5/6? (a) 8/11 (b) 5/6 (c) They are equal
  39. 39.1/3 + 3/4 = ? (a) 1 (b) 7/6 (c) 13/12 (d) 4/7
  40. 40.2/7 + 2/5 = ? (a) 1/3 (b) 23/35 (c) 24/35 (d) 5/7

Answer key

  1. 13/15
  2. 12
  3. 3/4
  4. 28
  5. 5
  6. 2/5
  7. 11/14
  8. 7/11
  9. 2/3
  10. 2
  11. 5/6
  12. 11
  13. 9/10
  14. 24
  15. 3/4
  16. 55
  17. 15
  18. 3/4
  19. 7/6
  20. 9/11
  21. 3/4
  22. 5/6
  23. 3/7
  24. 11/8
  25. 7/6
  26. 4
  27. 10/7
  28. 1
  29. 7/6
  30. 7
  31. 7
  32. 16
  33. 2/3
  34. 2/7
  35. 5
  36. 7/12
  37. 9/14
  38. 5/6
  39. 13/12
  40. 24/35

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