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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 421 · 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. 1.6/7 + 2/4 = ? (a) 39/28 (b) 37/28 (c) 19/14 (d) 8/11
  2. 2.What is 1/2 of 16? (a) 16 (b) 7 (c) 9 (d) 8
  3. 3.Which fraction is greater: 1/3 or 1/8? (a) 1/8 (b) 1/3 (c) They are equal
  4. 4.Which fraction is greater: 1/4 or 1/5? (a) 1/5 (b) They are equal (c) 1/4
  5. 5.8/9 + 1/2 = ? (a) 25/18 (b) 13/9 (c) 9/11 (d) 4/3
  6. 6.1/2 + 3/5 = ? (a) 4/7 (b) 6/5 (c) 1 (d) 11/10
  7. 7.Which fraction is greater: 1/11 or 11/12? (a) 1/11 (b) 11/12 (c) They are equal
  8. 8.Which fraction is greater: 1/9 or 5/8? (a) 5/8 (b) 1/9 (c) They are equal
  9. 9.What is 4/7 of 35? (a) 5 (b) 15 (c) 25 (d) 20
  10. 10.Which fraction is greater: 4/7 or 5/9? (a) 5/9 (b) 4/7 (c) They are equal
  11. 11.What is 3/4 of 20? (a) 20 (b) 15 (c) 5 (d) 16
  12. 12.What is 2/3 of 33? (a) 23 (b) 22 (c) 11 (d) 33
  13. 13.Which fraction is greater: 7/9 or 3/11? (a) 3/11 (b) They are equal (c) 7/9
  14. 14.Which fraction is greater: 2/5 or 7/8? (a) They are equal (b) 7/8 (c) 2/5
  15. 15.Which fraction is greater: 6/11 or 2/3? (a) They are equal (b) 6/11 (c) 2/3
  16. 16.2/3 + 1/4 = ? (a) 5/6 (b) 11/12 (c) 3/7 (d) 1
  17. 17.1/3 + 1/2 = ? (a) 1 (b) 2/5 (c) 5/6 (d) 2/3
  18. 18.6/9 + 5/6 = ? (a) 14/9 (b) 13/9 (c) 11/15 (d) 3/2
  19. 19.Which fraction is greater: 1/12 or 1/8? (a) They are equal (b) 1/12 (c) 1/8
  20. 20.Which fraction is greater: 7/8 or 3/7? (a) They are equal (b) 3/7 (c) 7/8
  21. 21.Which fraction is greater: 11/12 or 4/9? (a) 11/12 (b) 4/9 (c) They are equal
  22. 22.What is 2/7 of 14? (a) 4 (b) 6 (c) 10 (d) 2
  23. 23.Which fraction is greater: 7/9 or 2/3? (a) 2/3 (b) 7/9 (c) They are equal
  24. 24.What is 1/3 of 24? (a) 9 (b) 16 (c) 8 (d) 7
  25. 25.What is 4/7 of 77? (a) 44 (b) 11 (c) 33 (d) 55
  26. 26.5/6 + 1/8 = ? (a) 23/24 (b) 3/7 (c) 11/12 (d) 1
  27. 27.What is 1/2 of 4? (a) 4 (b) 3 (c) 1 (d) 2
  28. 28.Which fraction is greater: 1/6 or 1/9? (a) 1/9 (b) They are equal (c) 1/6
  29. 29.Which fraction is greater: 1/8 or 1/12? (a) 1/12 (b) They are equal (c) 1/8
  30. 30.What is 1/8 of 48? (a) 6 (b) 12 (c) 7 (d) 42
  31. 31.Which fraction is greater: 3/7 or 3/11? (a) They are equal (b) 3/7 (c) 3/11
  32. 32.Which fraction is greater: 3/7 or 10/11? (a) 10/11 (b) They are equal (c) 3/7
  33. 33.Which fraction is greater: 2/9 or 2/5? (a) 2/5 (b) They are equal (c) 2/9
  34. 34.What is 5/8 of 56? (a) 7 (b) 42 (c) 21 (d) 35
  35. 35.What is 2/3 of 21? (a) 15 (b) 21 (c) 14 (d) 7
  36. 36.Which fraction is greater: 1/3 or 9/11? (a) 1/3 (b) 9/11 (c) They are equal
  37. 37.1/2 + 5/9 = ? (a) 6/11 (b) 19/18 (c) 10/9 (d) 1
  38. 38.2/5 + 1/2 = ? (a) 4/5 (b) 3/7 (c) 9/10 (d) 1
  39. 39.4/7 + 2/4 = ? (a) 15/14 (b) 29/28 (c) 6/11 (d) 31/28
  40. 40.Which fraction is greater: 2/7 or 1/3? (a) 1/3 (b) 2/7 (c) They are equal

Answer key

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

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