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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 170 · 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. 1.1/2 + 2/9 = ? (a) 2/3 (b) 3/11 (c) 7/9 (d) 13/18
  2. 2.Which fraction is greater: 1/3 or 5/8? (a) They are equal (b) 5/8 (c) 1/3
  3. 3.Which fraction is greater: 7/9 or 3/4? (a) 7/9 (b) 3/4 (c) They are equal
  4. 4.2/6 + 8/9 = ? (a) 2/3 (b) 11/9 (c) 23/18 (d) 7/6
  5. 5.Which fraction is greater: 4/11 or 1/3? (a) They are equal (b) 4/11 (c) 1/3
  6. 6.4/5 + 1/5 = ? (a) 4/5 (b) 6/5 (c) 1 (d) 1/2
  7. 7.2/4 + 7/9 = ? (a) 47/36 (b) 9/13 (c) 5/4 (d) 23/18
  8. 8.4/9 + 3/6 = ? (a) 7/15 (b) 17/18 (c) 8/9 (d) 1
  9. 9.What is 2/3 of 33? (a) 23 (b) 22 (c) 33 (d) 11
  10. 10.Which fraction is greater: 2/5 or 1/7? (a) 2/5 (b) They are equal (c) 1/7
  11. 11.Which fraction is greater: 7/10 or 1/3? (a) 7/10 (b) They are equal (c) 1/3
  12. 12.What is 6/7 of 42? (a) 6 (b) 37 (c) 42 (d) 36
  13. 13.Which fraction is greater: 9/10 or 3/11? (a) 3/11 (b) 9/10 (c) They are equal
  14. 14.Which fraction is greater: 2/7 or 3/10? (a) 2/7 (b) They are equal (c) 3/10
  15. 15.Which fraction is greater: 1/4 or 5/8? (a) 1/4 (b) 5/8 (c) They are equal
  16. 16.What is 5/6 of 30? (a) 25 (b) 5 (c) 30 (d) 26
  17. 17.Which fraction is greater: 4/5 or 7/9? (a) They are equal (b) 7/9 (c) 4/5
  18. 18.1/2 + 2/4 = ? (a) 3/4 (b) 1 (c) 5/4 (d) 1/2
  19. 19.2/3 + 1/7 = ? (a) 16/21 (b) 17/21 (c) 3/10 (d) 6/7
  20. 20.1/2 + 1/2 = ? (a) 2 (b) 1 (c) 1/2 (d) 3/2
  21. 21.5/9 + 1/3 = ? (a) 1 (b) 7/9 (c) 1/2 (d) 8/9
  22. 22.1/2 + 2/6 = ? (a) 3/8 (b) 2/3 (c) 1 (d) 5/6
  23. 23.What is 1/8 of 80? (a) 20 (b) 11 (c) 10 (d) 70
  24. 24.What is 3/5 of 30? (a) 18 (b) 24 (c) 12 (d) 6
  25. 25.1/2 + 2/3 = ? (a) 7/6 (b) 1 (c) 3/5 (d) 4/3
  26. 26.Which fraction is greater: 2/5 or 3/7? (a) They are equal (b) 2/5 (c) 3/7
  27. 27.8/9 + 5/9 = ? (a) 4/3 (b) 14/9 (c) 13/9 (d) 13/18
  28. 28.1/3 + 1/7 = ? (a) 1/5 (b) 3/7 (c) 10/21 (d) 11/21
  29. 29.Which fraction is greater: 1/4 or 6/7? (a) 1/4 (b) 6/7 (c) They are equal
  30. 30.Which fraction is greater: 1/3 or 1/6? (a) 1/6 (b) 1/3 (c) They are equal
  31. 31.5/8 + 3/8 = ? (a) 7/8 (b) 1/2 (c) 1 (d) 9/8
  32. 32.Which fraction is greater: 5/12 or 1/9? (a) They are equal (b) 1/9 (c) 5/12
  33. 33.What is 2/3 of 36? (a) 25 (b) 36 (c) 12 (d) 24
  34. 34.Which fraction is greater: 2/5 or 1/3? (a) They are equal (b) 2/5 (c) 1/3
  35. 35.What is 1/3 of 15? (a) 4 (b) 10 (c) 6 (d) 5
  36. 36.1/7 + 1/7 = ? (a) 1/7 (b) 3/7 (c) 4/7 (d) 2/7
  37. 37.Which fraction is greater: 6/11 or 3/5? (a) 6/11 (b) They are equal (c) 3/5
  38. 38.3/4 + 4/7 = ? (a) 9/7 (b) 19/14 (c) 7/11 (d) 37/28
  39. 39.What is 1/3 of 36? (a) 11 (b) 13 (c) 24 (d) 12
  40. 40.Which fraction is greater: 1/6 or 3/5? (a) They are equal (b) 3/5 (c) 1/6

Answer key

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

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