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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 301 · 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. 1.2/3 + 2/3 = ? (a) 5/3 (b) 2/3 (c) 4/3 (d) 1
  2. 2.Which fraction is greater: 6/7 or 5/9? (a) They are equal (b) 5/9 (c) 6/7
  3. 3.What is 2/5 of 50? (a) 10 (b) 30 (c) 20 (d) 21
  4. 4.What is 4/7 of 28? (a) 4 (b) 16 (c) 20 (d) 12
  5. 5.Which fraction is greater: 1/3 or 1/9? (a) 1/9 (b) 1/3 (c) They are equal
  6. 6.2/3 + 7/8 = ? (a) 19/12 (b) 3/2 (c) 9/11 (d) 37/24
  7. 7.What is 1/4 of 28? (a) 7 (b) 8 (c) 21 (d) 14
  8. 8.1/2 + 3/6 = ? (a) 5/6 (b) 7/6 (c) 1 (d) 1/2
  9. 9.1/3 + 3/4 = ? (a) 13/12 (b) 7/6 (c) 1 (d) 4/7
  10. 10.Which fraction is greater: 3/8 or 3/4? (a) 3/4 (b) 3/8 (c) They are equal
  11. 11.5/7 + 2/5 = ? (a) 7/12 (b) 38/35 (c) 8/7 (d) 39/35
  12. 12.What is 3/4 of 16? (a) 13 (b) 16 (c) 4 (d) 12
  13. 13.Which fraction is greater: 8/11 or 3/4? (a) They are equal (b) 3/4 (c) 8/11
  14. 14.Which fraction is greater: 1/5 or 3/8? (a) They are equal (b) 1/5 (c) 3/8
  15. 15.1/9 + 1/2 = ? (a) 2/3 (b) 11/18 (c) 2/11 (d) 5/9
  16. 16.4/9 + 1/4 = ? (a) 2/3 (b) 5/13 (c) 13/18 (d) 25/36
  17. 17.Which fraction is greater: 3/4 or 3/5? (a) They are equal (b) 3/4 (c) 3/5
  18. 18.3/7 + 1/3 = ? (a) 2/5 (b) 5/7 (c) 16/21 (d) 17/21
  19. 19.Which fraction is greater: 2/3 or 7/10? (a) They are equal (b) 7/10 (c) 2/3
  20. 20.What is 1/4 of 24? (a) 12 (b) 18 (c) 7 (d) 6
  21. 21.Which fraction is greater: 1/7 or 1/5? (a) 1/7 (b) They are equal (c) 1/5
  22. 22.1/2 + 2/5 = ? (a) 3/7 (b) 1 (c) 9/10 (d) 4/5
  23. 23.What is 5/8 of 88? (a) 33 (b) 11 (c) 55 (d) 66
  24. 24.7/9 + 1/2 = ? (a) 11/9 (b) 8/11 (c) 23/18 (d) 4/3
  25. 25.What is 1/7 of 84? (a) 24 (b) 12 (c) 13 (d) 72
  26. 26.5/6 + 3/4 = ? (a) 5/3 (b) 4/5 (c) 3/2 (d) 19/12
  27. 27.1/7 + 3/4 = ? (a) 4/11 (b) 6/7 (c) 13/14 (d) 25/28
  28. 28.What is 7/9 of 81? (a) 63 (b) 72 (c) 9 (d) 18
  29. 29.Which fraction is greater: 3/4 or 2/3? (a) 2/3 (b) They are equal (c) 3/4
  30. 30.What is 1/2 of 22? (a) 22 (b) 10 (c) 11 (d) 12
  31. 31.What is 1/9 of 45? (a) 40 (b) 10 (c) 5 (d) 6
  32. 32.3/5 + 1/2 = ? (a) 11/10 (b) 6/5 (c) 4/7 (d) 1
  33. 33.1/4 + 2/7 = ? (a) 15/28 (b) 1/2 (c) 3/11 (d) 4/7
  34. 34.Which fraction is greater: 9/10 or 8/11? (a) 8/11 (b) 9/10 (c) They are equal
  35. 35.Which fraction is greater: 1/3 or 1/4? (a) 1/3 (b) 1/4 (c) They are equal
  36. 36.What is 4/9 of 81? (a) 37 (b) 36 (c) 9 (d) 45
  37. 37.2/6 + 8/9 = ? (a) 23/18 (b) 7/6 (c) 2/3 (d) 11/9
  38. 38.What is 1/2 of 18? (a) 18 (b) 10 (c) 8 (d) 9
  39. 39.Which fraction is greater: 4/7 or 1/3? (a) 4/7 (b) They are equal (c) 1/3
  40. 40.What is 2/3 of 18? (a) 6 (b) 12 (c) 13 (d) 18

Answer key

  1. 4/3
  2. 6/7
  3. 20
  4. 16
  5. 1/3
  6. 37/24
  7. 7
  8. 1
  9. 13/12
  10. 3/4
  11. 39/35
  12. 12
  13. 3/4
  14. 3/8
  15. 11/18
  16. 25/36
  17. 3/4
  18. 16/21
  19. 7/10
  20. 6
  21. 1/5
  22. 9/10
  23. 55
  24. 23/18
  25. 12
  26. 19/12
  27. 25/28
  28. 63
  29. 3/4
  30. 11
  31. 5
  32. 11/10
  33. 15/28
  34. 9/10
  35. 1/3
  36. 36
  37. 11/9
  38. 9
  39. 4/7
  40. 12

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