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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 792 · 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: 1/10 or 1/8? (a) 1/8 (b) They are equal (c) 1/10
  2. 2.What is 3/4 of 12? (a) 3 (b) 12 (c) 9 (d) 10
  3. 3.Which fraction is greater: 11/12 or 1/3? (a) They are equal (b) 11/12 (c) 1/3
  4. 4.8/9 + 1/4 = ? (a) 10/9 (b) 7/6 (c) 9/13 (d) 41/36
  5. 5.Which fraction is greater: 1/4 or 5/6? (a) They are equal (b) 5/6 (c) 1/4
  6. 6.2/3 + 1/9 = ? (a) 2/3 (b) 8/9 (c) 7/9 (d) 1/4
  7. 7.2/5 + 5/7 = ? (a) 7/12 (b) 8/7 (c) 38/35 (d) 39/35
  8. 8.Which fraction is greater: 1/9 or 2/5? (a) 1/9 (b) They are equal (c) 2/5
  9. 9.What is 2/3 of 30? (a) 30 (b) 21 (c) 20 (d) 10
  10. 10.1/9 + 2/3 = ? (a) 2/3 (b) 7/9 (c) 1/4 (d) 8/9
  11. 11.Which fraction is greater: 3/4 or 5/7? (a) 3/4 (b) 5/7 (c) They are equal
  12. 12.1/3 + 8/9 = ? (a) 4/3 (b) 10/9 (c) 11/9 (d) 3/4
  13. 13.2/7 + 1/2 = ? (a) 5/7 (b) 11/14 (c) 1/3 (d) 6/7
  14. 14.Which fraction is greater: 1/9 or 2/3? (a) 1/9 (b) 2/3 (c) They are equal
  15. 15.5/7 + 1/3 = ? (a) 3/5 (b) 1 (c) 23/21 (d) 22/21
  16. 16.1/8 + 2/3 = ? (a) 3/4 (b) 3/11 (c) 19/24 (d) 5/6
  17. 17.Which fraction is greater: 7/11 or 1/5? (a) 7/11 (b) They are equal (c) 1/5
  18. 18.What is 8/9 of 72? (a) 8 (b) 72 (c) 64 (d) 65
  19. 19.7/8 + 1/3 = ? (a) 7/6 (b) 5/4 (c) 8/11 (d) 29/24
  20. 20.What is 5/9 of 36? (a) 4 (b) 24 (c) 20 (d) 16
  21. 21.What is 1/2 of 22? (a) 11 (b) 22 (c) 12 (d) 10
  22. 22.1/3 + 3/8 = ? (a) 3/4 (b) 4/11 (c) 2/3 (d) 17/24
  23. 23.Which fraction is greater: 1/5 or 3/11? (a) They are equal (b) 1/5 (c) 3/11
  24. 24.5/9 + 4/9 = ? (a) 10/9 (b) 8/9 (c) 1/2 (d) 1
  25. 25.1/6 + 1/2 = ? (a) 5/6 (b) 2/3 (c) 1/2 (d) 1/4
  26. 26.1/4 + 1/9 = ? (a) 7/18 (b) 1/3 (c) 13/36 (d) 2/13
  27. 27.Which fraction is greater: 1/6 or 3/4? (a) They are equal (b) 1/6 (c) 3/4
  28. 28.Which fraction is greater: 7/8 or 1/3? (a) 7/8 (b) They are equal (c) 1/3
  29. 29.4/7 + 1/3 = ? (a) 6/7 (b) 20/21 (c) 19/21 (d) 1/2
  30. 30.1/3 + 2/5 = ? (a) 4/5 (b) 3/8 (c) 2/3 (d) 11/15
  31. 31.3/6 + 2/5 = ? (a) 9/10 (b) 14/15 (c) 13/15 (d) 5/11
  32. 32.What is 1/3 of 27? (a) 8 (b) 10 (c) 9 (d) 18
  33. 33.3/4 + 7/8 = ? (a) 5/6 (b) 13/8 (c) 3/2 (d) 7/4
  34. 34.1/4 + 4/6 = ? (a) 5/6 (b) 1/2 (c) 1 (d) 11/12
  35. 35.1/2 + 5/8 = ? (a) 5/4 (b) 1 (c) 3/5 (d) 9/8
  36. 36.Which fraction is greater: 3/7 or 9/11? (a) 3/7 (b) They are equal (c) 9/11
  37. 37.What is 4/7 of 42? (a) 6 (b) 30 (c) 24 (d) 18
  38. 38.Which fraction is greater: 7/11 or 5/6? (a) 7/11 (b) They are equal (c) 5/6
  39. 39.What is 1/2 of 6? (a) 4 (b) 3 (c) 6 (d) 2
  40. 40.Which fraction is greater: 4/7 or 5/6? (a) 5/6 (b) They are equal (c) 4/7

Answer key

  1. 1/8
  2. 9
  3. 11/12
  4. 41/36
  5. 5/6
  6. 7/9
  7. 39/35
  8. 2/5
  9. 20
  10. 7/9
  11. 3/4
  12. 11/9
  13. 11/14
  14. 2/3
  15. 22/21
  16. 19/24
  17. 7/11
  18. 64
  19. 29/24
  20. 20
  21. 11
  22. 17/24
  23. 3/11
  24. 1
  25. 2/3
  26. 13/36
  27. 3/4
  28. 7/8
  29. 19/21
  30. 11/15
  31. 9/10
  32. 9
  33. 13/8
  34. 11/12
  35. 9/8
  36. 9/11
  37. 24
  38. 5/6
  39. 3
  40. 5/6

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