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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 711 · 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. 1.1/2 + 1/9 = ? (a) 11/18 (b) 2/3 (c) 2/11 (d) 5/9
  2. 2.What is 2/3 of 15? (a) 11 (b) 15 (c) 10 (d) 5
  3. 3.1/8 + 6/8 = ? (a) 7/16 (b) 3/4 (c) 7/8 (d) 1
  4. 4.What is 2/9 of 18? (a) 2 (b) 6 (c) 14 (d) 4
  5. 5.What is 2/5 of 45? (a) 19 (b) 9 (c) 27 (d) 18
  6. 6.Which fraction is greater: 2/5 or 1/4? (a) They are equal (b) 1/4 (c) 2/5
  7. 7.What is 1/2 of 10? (a) 4 (b) 6 (c) 5 (d) 10
  8. 8.What is 5/7 of 14? (a) 10 (b) 2 (c) 4 (d) 12
  9. 9.1/2 + 1/5 = ? (a) 7/10 (b) 4/5 (c) 2/7 (d) 3/5
  10. 10.Which fraction is greater: 5/8 or 6/7? (a) They are equal (b) 5/8 (c) 6/7
  11. 11.1/2 + 1/4 = ? (a) 1/2 (b) 1 (c) 3/4 (d) 1/3
  12. 12.What is 2/3 of 21? (a) 7 (b) 15 (c) 21 (d) 14
  13. 13.Which fraction is greater: 6/11 or 3/8? (a) They are equal (b) 3/8 (c) 6/11
  14. 14.Which fraction is greater: 2/3 or 3/8? (a) 2/3 (b) 3/8 (c) They are equal
  15. 15.Which fraction is greater: 9/10 or 1/12? (a) 1/12 (b) They are equal (c) 9/10
  16. 16.Which fraction is greater: 1/4 or 2/5? (a) 1/4 (b) They are equal (c) 2/5
  17. 17.3/6 + 2/8 = ? (a) 3/4 (b) 5/14 (c) 19/24 (d) 17/24
  18. 18.What is 1/7 of 84? (a) 12 (b) 24 (c) 72 (d) 13
  19. 19.1/2 + 4/7 = ? (a) 15/14 (b) 8/7 (c) 5/9 (d) 1
  20. 20.What is 2/7 of 42? (a) 30 (b) 18 (c) 12 (d) 6
  21. 21.2/9 + 3/4 = ? (a) 17/18 (b) 35/36 (c) 5/13 (d) 1
  22. 22.Which fraction is greater: 5/7 or 1/3? (a) 5/7 (b) They are equal (c) 1/3
  23. 23.What is 1/3 of 6? (a) 4 (b) 2 (c) 1 (d) 3
  24. 24.3/5 + 2/4 = ? (a) 21/20 (b) 5/9 (c) 11/10 (d) 23/20
  25. 25.1/4 + 4/9 = ? (a) 2/3 (b) 25/36 (c) 5/13 (d) 13/18
  26. 26.Which fraction is greater: 4/11 or 6/7? (a) 6/7 (b) They are equal (c) 4/11
  27. 27.What is 1/8 of 88? (a) 22 (b) 12 (c) 11 (d) 77
  28. 28.1/7 + 1/2 = ? (a) 2/9 (b) 9/14 (c) 4/7 (d) 5/7
  29. 29.What is 3/7 of 56? (a) 8 (b) 24 (c) 25 (d) 32
  30. 30.Which fraction is greater: 3/7 or 5/8? (a) 3/7 (b) They are equal (c) 5/8
  31. 31.Which fraction is greater: 5/7 or 4/5? (a) 4/5 (b) 5/7 (c) They are equal
  32. 32.What is 8/9 of 27? (a) 27 (b) 3 (c) 25 (d) 24
  33. 33.1/4 + 1/6 = ? (a) 1/2 (b) 1/3 (c) 5/12 (d) 1/5
  34. 34.Which fraction is greater: 1/6 or 7/9? (a) 1/6 (b) 7/9 (c) They are equal
  35. 35.What is 5/8 of 32? (a) 12 (b) 20 (c) 4 (d) 24
  36. 36.Which fraction is greater: 2/7 or 3/5? (a) 3/5 (b) They are equal (c) 2/7
  37. 37.What is 3/8 of 80? (a) 50 (b) 40 (c) 10 (d) 30
  38. 38.What is 1/2 of 12? (a) 5 (b) 6 (c) 12 (d) 7
  39. 39.What is 1/5 of 55? (a) 44 (b) 12 (c) 11 (d) 22
  40. 40.What is 5/9 of 63? (a) 35 (b) 28 (c) 42 (d) 7

Answer key

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

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