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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 339 · 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. 1.3/5 + 1/2 = ? (a) 4/7 (b) 1 (c) 11/10 (d) 6/5
  2. 2.What is 1/6 of 18? (a) 3 (b) 6 (c) 15 (d) 4
  3. 3.What is 4/7 of 35? (a) 15 (b) 25 (c) 20 (d) 5
  4. 4.Which fraction is greater: 1/5 or 1/6? (a) 1/6 (b) 1/5 (c) They are equal
  5. 5.What is 1/4 of 8? (a) 3 (b) 4 (c) 2 (d) 6
  6. 6.2/3 + 3/5 = ? (a) 6/5 (b) 5/8 (c) 19/15 (d) 4/3
  7. 7.Which fraction is greater: 3/5 or 1/3? (a) 3/5 (b) They are equal (c) 1/3
  8. 8.4/7 + 1/3 = ? (a) 19/21 (b) 6/7 (c) 1/2 (d) 20/21
  9. 9.Which fraction is greater: 3/4 or 1/3? (a) 1/3 (b) 3/4 (c) They are equal
  10. 10.6/9 + 1/3 = ? (a) 10/9 (b) 8/9 (c) 7/12 (d) 1
  11. 11.Which fraction is greater: 6/7 or 1/4? (a) 1/4 (b) They are equal (c) 6/7
  12. 12.What is 1/2 of 8? (a) 8 (b) 5 (c) 4 (d) 3
  13. 13.What is 2/5 of 55? (a) 23 (b) 11 (c) 22 (d) 33
  14. 14.What is 1/3 of 18? (a) 12 (b) 5 (c) 6 (d) 7
  15. 15.Which fraction is greater: 1/6 or 4/11? (a) 4/11 (b) They are equal (c) 1/6
  16. 16.Which fraction is greater: 3/4 or 2/9? (a) 3/4 (b) They are equal (c) 2/9
  17. 17.4/6 + 2/3 = ? (a) 4/3 (b) 7/6 (c) 2/3 (d) 3/2
  18. 18.Which fraction is greater: 2/5 or 10/11? (a) They are equal (b) 10/11 (c) 2/5
  19. 19.1/2 + 3/7 = ? (a) 1 (b) 13/14 (c) 4/9 (d) 6/7
  20. 20.Which fraction is greater: 7/8 or 1/3? (a) 7/8 (b) 1/3 (c) They are equal
  21. 21.3/9 + 3/6 = ? (a) 8/9 (b) 7/9 (c) 2/5 (d) 5/6
  22. 22.Which fraction is greater: 1/4 or 5/8? (a) 1/4 (b) They are equal (c) 5/8
  23. 23.Which fraction is greater: 3/4 or 1/10? (a) 1/10 (b) They are equal (c) 3/4
  24. 24.Which fraction is greater: 1/4 or 4/7? (a) They are equal (b) 1/4 (c) 4/7
  25. 25.Which fraction is greater: 7/12 or 4/5? (a) 7/12 (b) They are equal (c) 4/5
  26. 26.1/5 + 2/5 = ? (a) 4/5 (b) 3/5 (c) 2/5 (d) 3/10
  27. 27.Which fraction is greater: 7/10 or 1/4? (a) They are equal (b) 1/4 (c) 7/10
  28. 28.What is 3/5 of 25? (a) 10 (b) 5 (c) 15 (d) 20
  29. 29.Which fraction is greater: 4/9 or 5/6? (a) 4/9 (b) They are equal (c) 5/6
  30. 30.5/8 + 5/6 = ? (a) 5/7 (b) 3/2 (c) 17/12 (d) 35/24
  31. 31.3/8 + 1/2 = ? (a) 2/5 (b) 3/4 (c) 1 (d) 7/8
  32. 32.What is 1/9 of 63? (a) 8 (b) 14 (c) 7 (d) 56
  33. 33.Which fraction is greater: 3/4 or 7/10? (a) They are equal (b) 3/4 (c) 7/10
  34. 34.3/6 + 5/8 = ? (a) 13/12 (b) 7/6 (c) 4/7 (d) 9/8
  35. 35.1/2 + 6/9 = ? (a) 11/9 (b) 7/11 (c) 7/6 (d) 10/9
  36. 36.Which fraction is greater: 3/5 or 1/9? (a) 3/5 (b) 1/9 (c) They are equal
  37. 37.Which fraction is greater: 2/7 or 4/5? (a) 2/7 (b) They are equal (c) 4/5
  38. 38.What is 7/8 of 64? (a) 57 (b) 8 (c) 64 (d) 56
  39. 39.1/6 + 3/5 = ? (a) 11/15 (b) 23/30 (c) 4/11 (d) 4/5
  40. 40.5/8 + 3/6 = ? (a) 4/7 (b) 7/6 (c) 9/8 (d) 13/12

Answer key

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

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