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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 630 · 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. 1.2/5 + 1/7 = ? (a) 18/35 (b) 19/35 (c) 1/4 (d) 4/7
  2. 2.Which fraction is greater: 3/5 or 1/7? (a) 1/7 (b) 3/5 (c) They are equal
  3. 3.Which fraction is greater: 1/5 or 1/3? (a) 1/5 (b) They are equal (c) 1/3
  4. 4.What is 7/8 of 96? (a) 85 (b) 84 (c) 96 (d) 12
  5. 5.What is 2/5 of 55? (a) 23 (b) 11 (c) 33 (d) 22
  6. 6.Which fraction is greater: 3/5 or 7/8? (a) 3/5 (b) 7/8 (c) They are equal
  7. 7.Which fraction is greater: 10/11 or 1/6? (a) 10/11 (b) 1/6 (c) They are equal
  8. 8.What is 5/6 of 18? (a) 16 (b) 3 (c) 18 (d) 15
  9. 9.2/6 + 8/9 = ? (a) 2/3 (b) 7/6 (c) 23/18 (d) 11/9
  10. 10.What is 7/9 of 81? (a) 9 (b) 72 (c) 18 (d) 63
  11. 11.1/8 + 1/2 = ? (a) 1/5 (b) 3/4 (c) 1/2 (d) 5/8
  12. 12.1/6 + 2/8 = ? (a) 3/14 (b) 5/12 (c) 3/8 (d) 11/24
  13. 13.1/3 + 1/7 = ? (a) 3/7 (b) 10/21 (c) 11/21 (d) 1/5
  14. 14.What is 1/4 of 40? (a) 30 (b) 11 (c) 20 (d) 10
  15. 15.1/4 + 3/7 = ? (a) 4/11 (b) 5/7 (c) 9/14 (d) 19/28
  16. 16.Which fraction is greater: 2/5 or 4/7? (a) 2/5 (b) They are equal (c) 4/7
  17. 17.Which fraction is greater: 1/4 or 7/11? (a) 1/4 (b) 7/11 (c) They are equal
  18. 18.3/4 + 1/2 = ? (a) 3/2 (b) 5/4 (c) 2/3 (d) 1
  19. 19.1/4 + 1/3 = ? (a) 2/7 (b) 2/3 (c) 7/12 (d) 1/2
  20. 20.2/3 + 6/8 = ? (a) 17/12 (b) 11/8 (c) 8/11 (d) 35/24
  21. 21.Which fraction is greater: 1/7 or 2/11? (a) They are equal (b) 2/11 (c) 1/7
  22. 22.Which fraction is greater: 3/10 or 4/5? (a) They are equal (b) 3/10 (c) 4/5
  23. 23.1/2 + 1/4 = ? (a) 1/2 (b) 1/3 (c) 1 (d) 3/4
  24. 24.Which fraction is greater: 2/3 or 5/6? (a) 2/3 (b) They are equal (c) 5/6
  25. 25.Which fraction is greater: 3/11 or 2/3? (a) They are equal (b) 3/11 (c) 2/3
  26. 26.Which fraction is greater: 2/5 or 5/7? (a) 2/5 (b) They are equal (c) 5/7
  27. 27.1/5 + 1/3 = ? (a) 7/15 (b) 3/5 (c) 8/15 (d) 1/4
  28. 28.1/3 + 2/5 = ? (a) 2/3 (b) 4/5 (c) 3/8 (d) 11/15
  29. 29.5/8 + 1/3 = ? (a) 6/11 (b) 23/24 (c) 11/12 (d) 1
  30. 30.1/4 + 4/6 = ? (a) 5/6 (b) 1 (c) 11/12 (d) 1/2
  31. 31.Which fraction is greater: 8/9 or 1/4? (a) They are equal (b) 1/4 (c) 8/9
  32. 32.2/4 + 5/9 = ? (a) 7/13 (b) 37/36 (c) 13/12 (d) 19/18
  33. 33.3/4 + 6/9 = ? (a) 9/13 (b) 17/12 (c) 25/18 (d) 13/9
  34. 34.What is 2/3 of 36? (a) 25 (b) 24 (c) 12 (d) 36
  35. 35.Which fraction is greater: 5/6 or 1/10? (a) 1/10 (b) 5/6 (c) They are equal
  36. 36.Which fraction is greater: 5/9 or 9/11? (a) They are equal (b) 5/9 (c) 9/11
  37. 37.What is 1/8 of 16? (a) 4 (b) 14 (c) 3 (d) 2
  38. 38.Which fraction is greater: 2/3 or 5/11? (a) 5/11 (b) They are equal (c) 2/3
  39. 39.What is 1/3 of 33? (a) 12 (b) 10 (c) 11 (d) 22
  40. 40.1/2 + 2/6 = ? (a) 1 (b) 2/3 (c) 3/8 (d) 5/6

Answer key

  1. 19/35
  2. 3/5
  3. 1/3
  4. 84
  5. 22
  6. 7/8
  7. 10/11
  8. 15
  9. 11/9
  10. 63
  11. 5/8
  12. 5/12
  13. 10/21
  14. 10
  15. 19/28
  16. 4/7
  17. 7/11
  18. 5/4
  19. 7/12
  20. 17/12
  21. 2/11
  22. 4/5
  23. 3/4
  24. 5/6
  25. 2/3
  26. 5/7
  27. 8/15
  28. 11/15
  29. 23/24
  30. 11/12
  31. 8/9
  32. 19/18
  33. 17/12
  34. 24
  35. 5/6
  36. 9/11
  37. 2
  38. 2/3
  39. 11
  40. 5/6

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