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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 541 · 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. 1.1/4 + 2/3 = ? (a) 5/6 (b) 1 (c) 3/7 (d) 11/12
  2. 2.Which fraction is greater: 5/8 or 5/7? (a) They are equal (b) 5/8 (c) 5/7
  3. 3.What is 1/2 of 22? (a) 11 (b) 10 (c) 12 (d) 22
  4. 4.1/4 + 4/8 = ? (a) 5/12 (b) 7/8 (c) 3/4 (d) 5/8
  5. 5.8/9 + 3/6 = ? (a) 25/18 (b) 4/3 (c) 13/9 (d) 11/15
  6. 6.3/4 + 1/5 = ? (a) 9/10 (b) 4/9 (c) 19/20 (d) 1
  7. 7.What is 5/9 of 72? (a) 32 (b) 48 (c) 8 (d) 40
  8. 8.Which fraction is greater: 4/5 or 2/3? (a) They are equal (b) 4/5 (c) 2/3
  9. 9.What is 2/9 of 18? (a) 2 (b) 14 (c) 6 (d) 4
  10. 10.What is 7/9 of 63? (a) 14 (b) 49 (c) 56 (d) 7
  11. 11.Which fraction is greater: 2/11 or 5/8? (a) They are equal (b) 2/11 (c) 5/8
  12. 12.Which fraction is greater: 2/3 or 3/4? (a) 2/3 (b) They are equal (c) 3/4
  13. 13.4/8 + 1/2 = ? (a) 1/2 (b) 7/8 (c) 9/8 (d) 1
  14. 14.What is 3/4 of 8? (a) 8 (b) 2 (c) 7 (d) 6
  15. 15.What is 4/7 of 21? (a) 9 (b) 3 (c) 15 (d) 12
  16. 16.What is 1/3 of 9? (a) 3 (b) 4 (c) 2 (d) 6
  17. 17.Which fraction is greater: 1/4 or 1/10? (a) 1/4 (b) 1/10 (c) They are equal
  18. 18.What is 4/5 of 60? (a) 60 (b) 49 (c) 12 (d) 48
  19. 19.2/6 + 4/5 = ? (a) 17/15 (b) 6/11 (c) 11/10 (d) 7/6
  20. 20.What is 1/3 of 24? (a) 8 (b) 16 (c) 9 (d) 7
  21. 21.Which fraction is greater: 4/11 or 3/8? (a) 4/11 (b) They are equal (c) 3/8
  22. 22.What is 3/5 of 55? (a) 22 (b) 11 (c) 44 (d) 33
  23. 23.What is 2/3 of 33? (a) 11 (b) 33 (c) 23 (d) 22
  24. 24.Which fraction is greater: 5/8 or 2/5? (a) They are equal (b) 2/5 (c) 5/8
  25. 25.1/2 + 3/4 = ? (a) 1 (b) 3/2 (c) 2/3 (d) 5/4
  26. 26.3/6 + 1/2 = ? (a) 7/6 (b) 1/2 (c) 5/6 (d) 1
  27. 27.What is 2/3 of 18? (a) 18 (b) 13 (c) 6 (d) 12
  28. 28.1/8 + 5/6 = ? (a) 3/7 (b) 11/12 (c) 23/24 (d) 1
  29. 29.Which fraction is greater: 1/5 or 6/11? (a) They are equal (b) 1/5 (c) 6/11
  30. 30.Which fraction is greater: 1/3 or 4/5? (a) 4/5 (b) 1/3 (c) They are equal
  31. 31.5/8 + 1/2 = ? (a) 1 (b) 9/8 (c) 5/4 (d) 3/5
  32. 32.1/2 + 1/7 = ? (a) 5/7 (b) 2/9 (c) 4/7 (d) 9/14
  33. 33.5/7 + 4/5 = ? (a) 53/35 (b) 3/4 (c) 54/35 (d) 52/35
  34. 34.Which fraction is greater: 1/4 or 3/10? (a) They are equal (b) 1/4 (c) 3/10
  35. 35.Which fraction is greater: 1/5 or 7/11? (a) They are equal (b) 7/11 (c) 1/5
  36. 36.1/2 + 4/5 = ? (a) 13/10 (b) 6/5 (c) 5/7 (d) 7/5
  37. 37.Which fraction is greater: 1/6 or 3/4? (a) 1/6 (b) They are equal (c) 3/4
  38. 38.1/3 + 4/7 = ? (a) 1/2 (b) 6/7 (c) 20/21 (d) 19/21
  39. 39.Which fraction is greater: 5/6 or 1/12? (a) 5/6 (b) They are equal (c) 1/12
  40. 40.Which fraction is greater: 1/7 or 2/11? (a) 2/11 (b) They are equal (c) 1/7

Answer key

  1. 11/12
  2. 5/7
  3. 11
  4. 3/4
  5. 25/18
  6. 19/20
  7. 40
  8. 4/5
  9. 4
  10. 49
  11. 5/8
  12. 3/4
  13. 1
  14. 6
  15. 12
  16. 3
  17. 1/4
  18. 48
  19. 17/15
  20. 8
  21. 3/8
  22. 33
  23. 22
  24. 5/8
  25. 5/4
  26. 1
  27. 12
  28. 23/24
  29. 6/11
  30. 4/5
  31. 9/8
  32. 9/14
  33. 53/35
  34. 3/10
  35. 7/11
  36. 13/10
  37. 3/4
  38. 19/21
  39. 5/6
  40. 2/11

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