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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 893 · 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 + 3/5 = ? (a) 6/5 (b) 1 (c) 11/10 (d) 4/7
  2. 2.Which fraction is greater: 6/7 or 7/9? (a) 6/7 (b) 7/9 (c) They are equal
  3. 3.What is 1/4 of 48? (a) 13 (b) 12 (c) 36 (d) 24
  4. 4.What is 4/9 of 108? (a) 49 (b) 48 (c) 60 (d) 12
  5. 5.What is 2/3 of 30? (a) 10 (b) 30 (c) 21 (d) 20
  6. 6.Which fraction is greater: 1/5 or 7/10? (a) They are equal (b) 1/5 (c) 7/10
  7. 7.2/5 + 1/2 = ? (a) 4/5 (b) 3/7 (c) 1 (d) 9/10
  8. 8.What is 2/3 of 12? (a) 4 (b) 9 (c) 12 (d) 8
  9. 9.3/5 + 6/7 = ? (a) 52/35 (b) 51/35 (c) 3/4 (d) 10/7
  10. 10.Which fraction is greater: 2/3 or 1/6? (a) They are equal (b) 2/3 (c) 1/6
  11. 11.4/8 + 1/3 = ? (a) 5/11 (b) 19/24 (c) 5/6 (d) 7/8
  12. 12.Which fraction is greater: 1/6 or 4/7? (a) 4/7 (b) They are equal (c) 1/6
  13. 13.Which fraction is greater: 3/5 or 1/7? (a) 3/5 (b) They are equal (c) 1/7
  14. 14.5/6 + 5/8 = ? (a) 3/2 (b) 17/12 (c) 5/7 (d) 35/24
  15. 15.What is 4/5 of 55? (a) 44 (b) 45 (c) 11 (d) 55
  16. 16.1/2 + 5/6 = ? (a) 4/3 (b) 3/2 (c) 7/6 (d) 3/4
  17. 17.Which fraction is greater: 7/9 or 2/11? (a) 7/9 (b) 2/11 (c) They are equal
  18. 18.Which fraction is greater: 4/5 or 3/4? (a) They are equal (b) 3/4 (c) 4/5
  19. 19.Which fraction is greater: 2/3 or 10/11? (a) 10/11 (b) They are equal (c) 2/3
  20. 20.3/5 + 2/7 = ? (a) 31/35 (b) 32/35 (c) 6/7 (d) 5/12
  21. 21.What is 1/6 of 42? (a) 8 (b) 14 (c) 7 (d) 35
  22. 22.Which fraction is greater: 2/5 or 1/3? (a) 1/3 (b) They are equal (c) 2/5
  23. 23.3/9 + 1/6 = ? (a) 5/9 (b) 4/15 (c) 1/2 (d) 4/9
  24. 24.1/5 + 1/4 = ? (a) 2/5 (b) 1/2 (c) 9/20 (d) 2/9
  25. 25.1/4 + 1/2 = ? (a) 1/2 (b) 3/4 (c) 1/3 (d) 1
  26. 26.What is 3/5 of 55? (a) 22 (b) 33 (c) 11 (d) 44
  27. 27.What is 5/9 of 45? (a) 30 (b) 25 (c) 5 (d) 20
  28. 28.Which fraction is greater: 3/5 or 4/7? (a) They are equal (b) 4/7 (c) 3/5
  29. 29.Which fraction is greater: 2/3 or 3/7? (a) 2/3 (b) 3/7 (c) They are equal
  30. 30.What is 1/3 of 27? (a) 18 (b) 8 (c) 9 (d) 10
  31. 31.Which fraction is greater: 5/7 or 1/11? (a) They are equal (b) 1/11 (c) 5/7
  32. 32.Which fraction is greater: 1/5 or 6/7? (a) 1/5 (b) 6/7 (c) They are equal
  33. 33.Which fraction is greater: 2/3 or 7/10? (a) 2/3 (b) 7/10 (c) They are equal
  34. 34.3/7 + 1/3 = ? (a) 5/7 (b) 2/5 (c) 16/21 (d) 17/21
  35. 35.Which fraction is greater: 3/11 or 2/5? (a) They are equal (b) 2/5 (c) 3/11
  36. 36.Which fraction is greater: 9/10 or 5/7? (a) They are equal (b) 9/10 (c) 5/7
  37. 37.2/3 + 1/2 = ? (a) 7/6 (b) 1 (c) 3/5 (d) 4/3
  38. 38.1/5 + 2/3 = ? (a) 4/5 (b) 14/15 (c) 3/8 (d) 13/15
  39. 39.Which fraction is greater: 3/5 or 3/4? (a) 3/5 (b) 3/4 (c) They are equal
  40. 40.Which fraction is greater: 4/5 or 2/3? (a) 2/3 (b) 4/5 (c) They are equal

Answer key

  1. 11/10
  2. 6/7
  3. 12
  4. 48
  5. 20
  6. 7/10
  7. 9/10
  8. 8
  9. 51/35
  10. 2/3
  11. 5/6
  12. 4/7
  13. 3/5
  14. 35/24
  15. 44
  16. 4/3
  17. 7/9
  18. 4/5
  19. 10/11
  20. 31/35
  21. 7
  22. 2/5
  23. 1/2
  24. 9/20
  25. 3/4
  26. 33
  27. 25
  28. 3/5
  29. 2/3
  30. 9
  31. 5/7
  32. 6/7
  33. 7/10
  34. 16/21
  35. 2/5
  36. 9/10
  37. 7/6
  38. 13/15
  39. 3/4
  40. 4/5

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