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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 607 · 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. 1.6/9 + 4/6 = ? (a) 23/18 (b) 4/3 (c) 2/3 (d) 25/18
  2. 2.2/4 + 1/2 = ? (a) 3/4 (b) 1/2 (c) 5/4 (d) 1
  3. 3.What is 3/7 of 70? (a) 10 (b) 40 (c) 31 (d) 30
  4. 4.Which fraction is greater: 1/5 or 2/3? (a) 1/5 (b) They are equal (c) 2/3
  5. 5.1/8 + 1/3 = ? (a) 1/2 (b) 5/12 (c) 2/11 (d) 11/24
  6. 6.1/3 + 4/6 = ? (a) 5/9 (b) 7/6 (c) 5/6 (d) 1
  7. 7.4/6 + 2/5 = ? (a) 6/11 (b) 16/15 (c) 31/30 (d) 11/10
  8. 8.1/2 + 1/2 = ? (a) 3/2 (b) 1 (c) 1/2 (d) 2
  9. 9.Which fraction is greater: 1/4 or 5/7? (a) 5/7 (b) They are equal (c) 1/4
  10. 10.Which fraction is greater: 6/11 or 7/10? (a) They are equal (b) 7/10 (c) 6/11
  11. 11.Which fraction is greater: 2/9 or 3/11? (a) 2/9 (b) They are equal (c) 3/11
  12. 12.Which fraction is greater: 2/11 or 5/9? (a) 2/11 (b) 5/9 (c) They are equal
  13. 13.Which fraction is greater: 5/11 or 1/3? (a) They are equal (b) 5/11 (c) 1/3
  14. 14.What is 1/4 of 32? (a) 8 (b) 24 (c) 9 (d) 16
  15. 15.What is 2/3 of 27? (a) 27 (b) 18 (c) 9 (d) 19
  16. 16.2/3 + 1/3 = ? (a) 4/3 (b) 1/2 (c) 1 (d) 2/3
  17. 17.Which fraction is greater: 3/8 or 2/3? (a) 2/3 (b) They are equal (c) 3/8
  18. 18.Which fraction is greater: 3/4 or 3/5? (a) 3/5 (b) They are equal (c) 3/4
  19. 19.1/5 + 1/2 = ? (a) 2/7 (b) 4/5 (c) 3/5 (d) 7/10
  20. 20.1/5 + 1/7 = ? (a) 1/6 (b) 11/35 (c) 13/35 (d) 12/35
  21. 21.Which fraction is greater: 9/10 or 8/9? (a) 8/9 (b) They are equal (c) 9/10
  22. 22.What is 1/3 of 36? (a) 12 (b) 11 (c) 24 (d) 13
  23. 23.1/6 + 5/6 = ? (a) 7/6 (b) 5/6 (c) 1/2 (d) 1
  24. 24.Which fraction is greater: 1/4 or 2/5? (a) 1/4 (b) They are equal (c) 2/5
  25. 25.4/6 + 1/2 = ? (a) 5/8 (b) 4/3 (c) 1 (d) 7/6
  26. 26.1/2 + 2/5 = ? (a) 1 (b) 9/10 (c) 4/5 (d) 3/7
  27. 27.5/7 + 2/3 = ? (a) 10/7 (b) 29/21 (c) 4/3 (d) 7/10
  28. 28.Which fraction is greater: 2/5 or 1/7? (a) 2/5 (b) They are equal (c) 1/7
  29. 29.Which fraction is greater: 8/11 or 1/6? (a) They are equal (b) 1/6 (c) 8/11
  30. 30.Which fraction is greater: 3/7 or 3/8? (a) They are equal (b) 3/8 (c) 3/7
  31. 31.Which fraction is greater: 1/12 or 1/3? (a) 1/12 (b) 1/3 (c) They are equal
  32. 32.Which fraction is greater: 1/7 or 7/10? (a) They are equal (b) 7/10 (c) 1/7
  33. 33.6/9 + 1/2 = ? (a) 11/9 (b) 7/11 (c) 7/6 (d) 10/9
  34. 34.1/3 + 2/3 = ? (a) 1/2 (b) 2/3 (c) 4/3 (d) 1
  35. 35.1/2 + 6/8 = ? (a) 9/8 (b) 11/8 (c) 5/4 (d) 7/10
  36. 36.Which fraction is greater: 1/6 or 1/4? (a) 1/6 (b) They are equal (c) 1/4
  37. 37.1/4 + 1/4 = ? (a) 1 (b) 3/4 (c) 1/4 (d) 1/2
  38. 38.1/2 + 3/4 = ? (a) 2/3 (b) 3/2 (c) 1 (d) 5/4
  39. 39.3/4 + 7/8 = ? (a) 13/8 (b) 3/2 (c) 5/6 (d) 7/4
  40. 40.5/8 + 1/3 = ? (a) 11/12 (b) 23/24 (c) 1 (d) 6/11

Answer key

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

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