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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 251 · 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. 1.2/3 + 1/5 = ? (a) 14/15 (b) 3/8 (c) 4/5 (d) 13/15
  2. 2.2/4 + 1/7 = ? (a) 3/11 (b) 9/14 (c) 17/28 (d) 19/28
  3. 3.3/6 + 3/5 = ? (a) 6/11 (b) 11/10 (c) 16/15 (d) 17/15
  4. 4.Which fraction is greater: 2/3 or 4/5? (a) 4/5 (b) 2/3 (c) They are equal
  5. 5.Which fraction is greater: 1/12 or 8/11? (a) 1/12 (b) They are equal (c) 8/11
  6. 6.Which fraction is greater: 7/10 or 4/7? (a) 4/7 (b) 7/10 (c) They are equal
  7. 7.4/6 + 6/8 = ? (a) 5/7 (b) 35/24 (c) 11/8 (d) 17/12
  8. 8.What is 5/7 of 28? (a) 8 (b) 24 (c) 20 (d) 4
  9. 9.What is 6/7 of 70? (a) 61 (b) 10 (c) 70 (d) 60
  10. 10.Which fraction is greater: 1/10 or 3/4? (a) They are equal (b) 1/10 (c) 3/4
  11. 11.What is 1/6 of 54? (a) 10 (b) 9 (c) 18 (d) 45
  12. 12.Which fraction is greater: 5/7 or 3/5? (a) 3/5 (b) 5/7 (c) They are equal
  13. 13.1/3 + 1/5 = ? (a) 7/15 (b) 3/5 (c) 1/4 (d) 8/15
  14. 14.Which fraction is greater: 4/5 or 3/8? (a) 4/5 (b) They are equal (c) 3/8
  15. 15.Which fraction is greater: 4/7 or 1/3? (a) They are equal (b) 4/7 (c) 1/3
  16. 16.2/9 + 6/9 = ? (a) 4/9 (b) 8/9 (c) 1 (d) 7/9
  17. 17.Which fraction is greater: 5/7 or 2/3? (a) They are equal (b) 5/7 (c) 2/3
  18. 18.Which fraction is greater: 1/4 or 2/7? (a) 1/4 (b) They are equal (c) 2/7
  19. 19.Which fraction is greater: 6/11 or 1/5? (a) 1/5 (b) 6/11 (c) They are equal
  20. 20.Which fraction is greater: 5/8 or 1/5? (a) 5/8 (b) They are equal (c) 1/5
  21. 21.Which fraction is greater: 1/3 or 3/5? (a) 1/3 (b) 3/5 (c) They are equal
  22. 22.1/2 + 1/3 = ? (a) 5/6 (b) 2/5 (c) 1 (d) 2/3
  23. 23.Which fraction is greater: 4/5 or 1/8? (a) 4/5 (b) 1/8 (c) They are equal
  24. 24.Which fraction is greater: 2/7 or 1/3? (a) They are equal (b) 2/7 (c) 1/3
  25. 25.Which fraction is greater: 4/5 or 5/12? (a) 4/5 (b) 5/12 (c) They are equal
  26. 26.What is 6/7 of 63? (a) 55 (b) 9 (c) 54 (d) 63
  27. 27.Which fraction is greater: 2/5 or 5/6? (a) They are equal (b) 5/6 (c) 2/5
  28. 28.3/4 + 2/6 = ? (a) 7/6 (b) 1/2 (c) 13/12 (d) 1
  29. 29.What is 2/7 of 49? (a) 14 (b) 35 (c) 7 (d) 21
  30. 30.What is 1/2 of 4? (a) 4 (b) 2 (c) 3 (d) 1
  31. 31.What is 1/3 of 15? (a) 6 (b) 5 (c) 4 (d) 10
  32. 32.What is 1/2 of 16? (a) 16 (b) 9 (c) 7 (d) 8
  33. 33.Which fraction is greater: 1/12 or 6/7? (a) 6/7 (b) 1/12 (c) They are equal
  34. 34.What is 1/4 of 24? (a) 18 (b) 7 (c) 12 (d) 6
  35. 35.Which fraction is greater: 2/7 or 9/10? (a) They are equal (b) 2/7 (c) 9/10
  36. 36.What is 1/3 of 33? (a) 22 (b) 10 (c) 11 (d) 12
  37. 37.Which fraction is greater: 8/11 or 2/3? (a) 8/11 (b) 2/3 (c) They are equal
  38. 38.What is 1/8 of 40? (a) 35 (b) 10 (c) 6 (d) 5
  39. 39.What is 3/8 of 16? (a) 10 (b) 2 (c) 6 (d) 8
  40. 40.What is 3/4 of 40? (a) 31 (b) 30 (c) 40 (d) 10

Answer key

  1. 13/15
  2. 9/14
  3. 11/10
  4. 4/5
  5. 8/11
  6. 7/10
  7. 17/12
  8. 20
  9. 60
  10. 3/4
  11. 9
  12. 5/7
  13. 8/15
  14. 4/5
  15. 4/7
  16. 8/9
  17. 5/7
  18. 2/7
  19. 6/11
  20. 5/8
  21. 3/5
  22. 5/6
  23. 4/5
  24. 1/3
  25. 4/5
  26. 54
  27. 5/6
  28. 13/12
  29. 14
  30. 2
  31. 5
  32. 8
  33. 6/7
  34. 6
  35. 9/10
  36. 11
  37. 8/11
  38. 5
  39. 6
  40. 30

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