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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 423 · 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: 1/4 or 10/11? (a) They are equal (b) 1/4 (c) 10/11
  2. 2.1/8 + 2/8 = ? (a) 1/4 (b) 3/16 (c) 3/8 (d) 1/2
  3. 3.Which fraction is greater: 4/7 or 1/4? (a) 1/4 (b) 4/7 (c) They are equal
  4. 4.Which fraction is greater: 3/4 or 5/6? (a) They are equal (b) 5/6 (c) 3/4
  5. 5.Which fraction is greater: 2/5 or 2/7? (a) 2/7 (b) 2/5 (c) They are equal
  6. 6.What is 1/2 of 14? (a) 14 (b) 7 (c) 8 (d) 6
  7. 7.What is 1/3 of 27? (a) 9 (b) 10 (c) 18 (d) 8
  8. 8.What is 1/2 of 24? (a) 13 (b) 12 (c) 11 (d) 24
  9. 9.Which fraction is greater: 5/8 or 1/6? (a) 1/6 (b) They are equal (c) 5/8
  10. 10.3/5 + 1/2 = ? (a) 11/10 (b) 1 (c) 6/5 (d) 4/7
  11. 11.Which fraction is greater: 9/10 or 2/5? (a) 2/5 (b) They are equal (c) 9/10
  12. 12.1/3 + 7/8 = ? (a) 29/24 (b) 7/6 (c) 5/4 (d) 8/11
  13. 13.Which fraction is greater: 7/10 or 1/4? (a) 1/4 (b) 7/10 (c) They are equal
  14. 14.Which fraction is greater: 1/4 or 2/5? (a) 2/5 (b) 1/4 (c) They are equal
  15. 15.2/3 + 5/9 = ? (a) 10/9 (b) 7/12 (c) 4/3 (d) 11/9
  16. 16.What is 5/8 of 72? (a) 45 (b) 9 (c) 27 (d) 54
  17. 17.1/5 + 1/7 = ? (a) 12/35 (b) 1/6 (c) 13/35 (d) 11/35
  18. 18.What is 1/3 of 24? (a) 7 (b) 9 (c) 8 (d) 16
  19. 19.1/2 + 1/7 = ? (a) 5/7 (b) 2/9 (c) 9/14 (d) 4/7
  20. 20.Which fraction is greater: 7/11 or 5/7? (a) 5/7 (b) 7/11 (c) They are equal
  21. 21.Which fraction is greater: 1/8 or 4/7? (a) They are equal (b) 1/8 (c) 4/7
  22. 22.What is 5/7 of 28? (a) 24 (b) 20 (c) 8 (d) 4
  23. 23.Which fraction is greater: 2/7 or 7/9? (a) 2/7 (b) 7/9 (c) They are equal
  24. 24.Which fraction is greater: 3/4 or 5/9? (a) 5/9 (b) They are equal (c) 3/4
  25. 25.Which fraction is greater: 7/11 or 2/5? (a) 2/5 (b) 7/11 (c) They are equal
  26. 26.What is 2/3 of 15? (a) 15 (b) 10 (c) 11 (d) 5
  27. 27.1/9 + 1/2 = ? (a) 11/18 (b) 5/9 (c) 2/11 (d) 2/3
  28. 28.Which fraction is greater: 3/11 or 1/6? (a) 1/6 (b) 3/11 (c) They are equal
  29. 29.1/2 + 3/8 = ? (a) 7/8 (b) 1 (c) 3/4 (d) 2/5
  30. 30.2/4 + 2/6 = ? (a) 5/6 (b) 2/5 (c) 11/12 (d) 3/4
  31. 31.Which fraction is greater: 2/11 or 3/5? (a) 3/5 (b) They are equal (c) 2/11
  32. 32.Which fraction is greater: 1/3 or 4/5? (a) They are equal (b) 4/5 (c) 1/3
  33. 33.Which fraction is greater: 9/11 or 4/5? (a) They are equal (b) 4/5 (c) 9/11
  34. 34.6/7 + 2/5 = ? (a) 43/35 (b) 44/35 (c) 9/7 (d) 2/3
  35. 35.What is 3/4 of 20? (a) 20 (b) 5 (c) 15 (d) 16
  36. 36.What is 3/4 of 16? (a) 16 (b) 4 (c) 13 (d) 12
  37. 37.What is 3/8 of 40? (a) 15 (b) 5 (c) 25 (d) 20
  38. 38.Which fraction is greater: 5/8 or 1/3? (a) 1/3 (b) They are equal (c) 5/8
  39. 39.What is 1/3 of 30? (a) 9 (b) 11 (c) 10 (d) 20
  40. 40.What is 2/5 of 30? (a) 18 (b) 13 (c) 6 (d) 12

Answer key

  1. 10/11
  2. 3/8
  3. 4/7
  4. 5/6
  5. 2/5
  6. 7
  7. 9
  8. 12
  9. 5/8
  10. 11/10
  11. 9/10
  12. 29/24
  13. 7/10
  14. 2/5
  15. 11/9
  16. 45
  17. 12/35
  18. 8
  19. 9/14
  20. 5/7
  21. 4/7
  22. 20
  23. 7/9
  24. 3/4
  25. 7/11
  26. 10
  27. 11/18
  28. 3/11
  29. 7/8
  30. 5/6
  31. 3/5
  32. 4/5
  33. 9/11
  34. 44/35
  35. 15
  36. 12
  37. 15
  38. 5/8
  39. 10
  40. 12

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