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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 115 · 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. 1.1/6 + 2/8 = ? (a) 3/8 (b) 3/14 (c) 11/24 (d) 5/12
  2. 2.Which fraction is greater: 4/5 or 2/7? (a) 2/7 (b) 4/5 (c) They are equal
  3. 3.6/7 + 2/5 = ? (a) 2/3 (b) 43/35 (c) 44/35 (d) 9/7
  4. 4.3/5 + 6/7 = ? (a) 52/35 (b) 10/7 (c) 3/4 (d) 51/35
  5. 5.1/3 + 1/3 = ? (a) 2/3 (b) 1 (c) 4/3 (d) 1/3
  6. 6.What is 3/5 of 30? (a) 12 (b) 6 (c) 24 (d) 18
  7. 7.Which fraction is greater: 3/7 or 2/3? (a) They are equal (b) 2/3 (c) 3/7
  8. 8.1/2 + 1/2 = ? (a) 3/2 (b) 2 (c) 1/2 (d) 1
  9. 9.1/4 + 4/8 = ? (a) 7/8 (b) 5/12 (c) 5/8 (d) 3/4
  10. 10.6/7 + 1/7 = ? (a) 8/7 (b) 6/7 (c) 1 (d) 1/2
  11. 11.What is 1/3 of 27? (a) 10 (b) 18 (c) 8 (d) 9
  12. 12.Which fraction is greater: 1/7 or 4/9? (a) 1/7 (b) 4/9 (c) They are equal
  13. 13.What is 1/4 of 12? (a) 4 (b) 6 (c) 3 (d) 9
  14. 14.1/2 + 1/3 = ? (a) 1 (b) 5/6 (c) 2/5 (d) 2/3
  15. 15.Which fraction is greater: 2/5 or 1/11? (a) 2/5 (b) They are equal (c) 1/11
  16. 16.What is 3/4 of 44? (a) 33 (b) 34 (c) 11 (d) 44
  17. 17.Which fraction is greater: 3/4 or 7/8? (a) 7/8 (b) They are equal (c) 3/4
  18. 18.8/9 + 1/6 = ? (a) 3/5 (b) 1 (c) 19/18 (d) 10/9
  19. 19.Which fraction is greater: 1/3 or 3/7? (a) 3/7 (b) 1/3 (c) They are equal
  20. 20.3/7 + 1/7 = ? (a) 2/7 (b) 3/7 (c) 5/7 (d) 4/7
  21. 21.Which fraction is greater: 1/6 or 1/4? (a) They are equal (b) 1/4 (c) 1/6
  22. 22.2/5 + 1/2 = ? (a) 3/7 (b) 4/5 (c) 9/10 (d) 1
  23. 23.1/4 + 2/3 = ? (a) 5/6 (b) 3/7 (c) 11/12 (d) 1
  24. 24.What is 2/7 of 70? (a) 10 (b) 50 (c) 30 (d) 20
  25. 25.What is 2/5 of 55? (a) 22 (b) 33 (c) 23 (d) 11
  26. 26.Which fraction is greater: 4/5 or 5/6? (a) 5/6 (b) They are equal (c) 4/5
  27. 27.Which fraction is greater: 1/7 or 7/11? (a) 1/7 (b) They are equal (c) 7/11
  28. 28.1/3 + 3/5 = ? (a) 14/15 (b) 1/2 (c) 1 (d) 13/15
  29. 29.1/2 + 4/7 = ? (a) 1 (b) 5/9 (c) 8/7 (d) 15/14
  30. 30.Which fraction is greater: 1/8 or 1/3? (a) 1/8 (b) 1/3 (c) They are equal
  31. 31.Which fraction is greater: 2/3 or 1/6? (a) They are equal (b) 2/3 (c) 1/6
  32. 32.What is 7/8 of 56? (a) 56 (b) 50 (c) 49 (d) 7
  33. 33.2/6 + 1/2 = ? (a) 1 (b) 3/8 (c) 5/6 (d) 2/3
  34. 34.What is 1/2 of 12? (a) 12 (b) 6 (c) 7 (d) 5
  35. 35.What is 7/9 of 81? (a) 72 (b) 18 (c) 9 (d) 63
  36. 36.2/4 + 3/5 = ? (a) 21/20 (b) 5/9 (c) 11/10 (d) 23/20
  37. 37.3/4 + 2/3 = ? (a) 4/3 (b) 5/7 (c) 17/12 (d) 3/2
  38. 38.What is 1/6 of 72? (a) 24 (b) 12 (c) 13 (d) 60
  39. 39.1/3 + 3/7 = ? (a) 17/21 (b) 2/5 (c) 16/21 (d) 5/7
  40. 40.Which fraction is greater: 2/9 or 5/6? (a) 2/9 (b) They are equal (c) 5/6

Answer key

  1. 5/12
  2. 4/5
  3. 44/35
  4. 51/35
  5. 2/3
  6. 18
  7. 2/3
  8. 1
  9. 3/4
  10. 1
  11. 9
  12. 4/9
  13. 3
  14. 5/6
  15. 2/5
  16. 33
  17. 7/8
  18. 19/18
  19. 3/7
  20. 4/7
  21. 1/4
  22. 9/10
  23. 11/12
  24. 20
  25. 22
  26. 5/6
  27. 7/11
  28. 14/15
  29. 15/14
  30. 1/3
  31. 2/3
  32. 49
  33. 5/6
  34. 6
  35. 63
  36. 11/10
  37. 17/12
  38. 12
  39. 16/21
  40. 5/6

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