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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 525 · 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.Which fraction is greater: 1/10 or 3/4? (a) 1/10 (b) They are equal (c) 3/4
  2. 2.Which fraction is greater: 1/5 or 2/7? (a) 2/7 (b) They are equal (c) 1/5
  3. 3.What is 6/7 of 42? (a) 42 (b) 37 (c) 6 (d) 36
  4. 4.3/4 + 3/7 = ? (a) 6/11 (b) 17/14 (c) 8/7 (d) 33/28
  5. 5.1/2 + 5/7 = ? (a) 17/14 (b) 9/7 (c) 2/3 (d) 8/7
  6. 6.Which fraction is greater: 7/8 or 2/7? (a) They are equal (b) 2/7 (c) 7/8
  7. 7.Which fraction is greater: 5/8 or 6/11? (a) They are equal (b) 5/8 (c) 6/11
  8. 8.1/3 + 1/3 = ? (a) 1/3 (b) 4/3 (c) 1 (d) 2/3
  9. 9.2/9 + 1/3 = ? (a) 4/9 (b) 2/3 (c) 1/4 (d) 5/9
  10. 10.What is 1/2 of 14? (a) 14 (b) 8 (c) 7 (d) 6
  11. 11.Which fraction is greater: 8/9 or 10/11? (a) 10/11 (b) 8/9 (c) They are equal
  12. 12.What is 1/8 of 16? (a) 4 (b) 14 (c) 2 (d) 3
  13. 13.What is 7/8 of 64? (a) 64 (b) 57 (c) 56 (d) 8
  14. 14.3/5 + 2/6 = ? (a) 9/10 (b) 29/30 (c) 14/15 (d) 5/11
  15. 15.What is 1/3 of 24? (a) 9 (b) 16 (c) 7 (d) 8
  16. 16.What is 1/9 of 90? (a) 10 (b) 80 (c) 20 (d) 11
  17. 17.Which fraction is greater: 5/8 or 7/9? (a) They are equal (b) 5/8 (c) 7/9
  18. 18.What is 8/9 of 45? (a) 40 (b) 5 (c) 45 (d) 41
  19. 19.Which fraction is greater: 1/3 or 2/5? (a) They are equal (b) 2/5 (c) 1/3
  20. 20.1/2 + 3/5 = ? (a) 11/10 (b) 4/7 (c) 6/5 (d) 1
  21. 21.2/3 + 1/2 = ? (a) 7/6 (b) 1 (c) 4/3 (d) 3/5
  22. 22.Which fraction is greater: 2/7 or 1/3? (a) 2/7 (b) They are equal (c) 1/3
  23. 23.Which fraction is greater: 1/3 or 3/5? (a) They are equal (b) 1/3 (c) 3/5
  24. 24.Which fraction is greater: 1/3 or 4/5? (a) They are equal (b) 4/5 (c) 1/3
  25. 25.3/6 + 2/5 = ? (a) 13/15 (b) 9/10 (c) 14/15 (d) 5/11
  26. 26.What is 1/4 of 28? (a) 8 (b) 21 (c) 14 (d) 7
  27. 27.What is 1/6 of 36? (a) 30 (b) 7 (c) 12 (d) 6
  28. 28.What is 5/6 of 54? (a) 45 (b) 9 (c) 46 (d) 54
  29. 29.Which fraction is greater: 5/6 or 2/7? (a) 2/7 (b) 5/6 (c) They are equal
  30. 30.What is 5/9 of 90? (a) 60 (b) 50 (c) 10 (d) 40
  31. 31.What is 4/5 of 50? (a) 40 (b) 50 (c) 10 (d) 41
  32. 32.What is 2/3 of 33? (a) 33 (b) 23 (c) 11 (d) 22
  33. 33.What is 2/7 of 49? (a) 14 (b) 7 (c) 35 (d) 21
  34. 34.1/2 + 6/8 = ? (a) 9/8 (b) 7/10 (c) 5/4 (d) 11/8
  35. 35.Which fraction is greater: 6/11 or 5/6? (a) 5/6 (b) They are equal (c) 6/11
  36. 36.Which fraction is greater: 3/8 or 2/3? (a) 2/3 (b) 3/8 (c) They are equal
  37. 37.1/3 + 1/2 = ? (a) 1 (b) 2/3 (c) 2/5 (d) 5/6
  38. 38.2/7 + 1/3 = ? (a) 13/21 (b) 3/10 (c) 4/7 (d) 2/3
  39. 39.1/4 + 1/2 = ? (a) 3/4 (b) 1/3 (c) 1 (d) 1/2
  40. 40.What is 1/2 of 24? (a) 24 (b) 11 (c) 13 (d) 12

Answer key

  1. 3/4
  2. 2/7
  3. 36
  4. 33/28
  5. 17/14
  6. 7/8
  7. 5/8
  8. 2/3
  9. 5/9
  10. 7
  11. 10/11
  12. 2
  13. 56
  14. 14/15
  15. 8
  16. 10
  17. 7/9
  18. 40
  19. 2/5
  20. 11/10
  21. 7/6
  22. 1/3
  23. 3/5
  24. 4/5
  25. 9/10
  26. 7
  27. 6
  28. 45
  29. 5/6
  30. 50
  31. 40
  32. 22
  33. 14
  34. 5/4
  35. 5/6
  36. 2/3
  37. 5/6
  38. 13/21
  39. 3/4
  40. 12

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