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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 622 · 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. 1.4/7 + 2/3 = ? (a) 25/21 (b) 9/7 (c) 26/21 (d) 3/5
  2. 2.7/8 + 1/2 = ? (a) 11/8 (b) 4/5 (c) 5/4 (d) 3/2
  3. 3.What is 2/7 of 42? (a) 12 (b) 18 (c) 30 (d) 6
  4. 4.What is 1/3 of 21? (a) 7 (b) 14 (c) 6 (d) 8
  5. 5.What is 1/2 of 14? (a) 8 (b) 14 (c) 7 (d) 6
  6. 6.2/4 + 1/3 = ? (a) 3/7 (b) 3/4 (c) 11/12 (d) 5/6
  7. 7.3/5 + 3/6 = ? (a) 17/15 (b) 16/15 (c) 6/11 (d) 11/10
  8. 8.6/8 + 4/8 = ? (a) 11/8 (b) 9/8 (c) 5/8 (d) 5/4
  9. 9.Which fraction is greater: 3/11 or 1/3? (a) 3/11 (b) They are equal (c) 1/3
  10. 10.Which fraction is greater: 8/11 or 1/8? (a) They are equal (b) 8/11 (c) 1/8
  11. 11.Which fraction is greater: 4/5 or 5/11? (a) 5/11 (b) They are equal (c) 4/5
  12. 12.Which fraction is greater: 7/11 or 8/9? (a) 7/11 (b) They are equal (c) 8/9
  13. 13.What is 4/7 of 70? (a) 50 (b) 10 (c) 30 (d) 40
  14. 14.Which fraction is greater: 5/8 or 3/10? (a) They are equal (b) 3/10 (c) 5/8
  15. 15.Which fraction is greater: 3/8 or 2/3? (a) They are equal (b) 3/8 (c) 2/3
  16. 16.1/3 + 2/3 = ? (a) 4/3 (b) 2/3 (c) 1/2 (d) 1
  17. 17.What is 1/3 of 24? (a) 8 (b) 16 (c) 9 (d) 7
  18. 18.3/4 + 8/9 = ? (a) 29/18 (b) 5/3 (c) 59/36 (d) 11/13
  19. 19.2/7 + 3/7 = ? (a) 6/7 (b) 4/7 (c) 5/7 (d) 5/14
  20. 20.What is 1/3 of 15? (a) 4 (b) 10 (c) 5 (d) 6
  21. 21.What is 7/8 of 88? (a) 78 (b) 77 (c) 88 (d) 11
  22. 22.4/6 + 5/8 = ? (a) 9/14 (b) 4/3 (c) 5/4 (d) 31/24
  23. 23.What is 1/5 of 30? (a) 12 (b) 6 (c) 24 (d) 7
  24. 24.Which fraction is greater: 1/4 or 10/11? (a) They are equal (b) 1/4 (c) 10/11
  25. 25.Which fraction is greater: 1/7 or 3/8? (a) 3/8 (b) They are equal (c) 1/7
  26. 26.Which fraction is greater: 10/11 or 2/5? (a) 2/5 (b) 10/11 (c) They are equal
  27. 27.Which fraction is greater: 3/7 or 3/5? (a) 3/7 (b) They are equal (c) 3/5
  28. 28.7/9 + 5/6 = ? (a) 4/5 (b) 14/9 (c) 5/3 (d) 29/18
  29. 29.Which fraction is greater: 2/3 or 3/8? (a) 3/8 (b) They are equal (c) 2/3
  30. 30.Which fraction is greater: 1/3 or 7/8? (a) 1/3 (b) 7/8 (c) They are equal
  31. 31.Which fraction is greater: 6/11 or 2/3? (a) They are equal (b) 6/11 (c) 2/3
  32. 32.5/6 + 1/9 = ? (a) 1 (b) 2/5 (c) 8/9 (d) 17/18
  33. 33.3/4 + 4/6 = ? (a) 3/2 (b) 7/10 (c) 4/3 (d) 17/12
  34. 34.What is 1/5 of 15? (a) 6 (b) 12 (c) 4 (d) 3
  35. 35.1/9 + 1/3 = ? (a) 1/3 (b) 4/9 (c) 5/9 (d) 1/6
  36. 36.Which fraction is greater: 3/4 or 10/11? (a) They are equal (b) 10/11 (c) 3/4
  37. 37.Which fraction is greater: 7/9 or 4/5? (a) They are equal (b) 7/9 (c) 4/5
  38. 38.Which fraction is greater: 11/12 or 3/5? (a) 3/5 (b) They are equal (c) 11/12
  39. 39.2/4 + 2/4 = ? (a) 1 (b) 5/4 (c) 1/2 (d) 3/4
  40. 40.2/4 + 1/2 = ? (a) 3/4 (b) 1 (c) 1/2 (d) 5/4

Answer key

  1. 26/21
  2. 11/8
  3. 12
  4. 7
  5. 7
  6. 5/6
  7. 11/10
  8. 5/4
  9. 1/3
  10. 8/11
  11. 4/5
  12. 8/9
  13. 40
  14. 5/8
  15. 2/3
  16. 1
  17. 8
  18. 59/36
  19. 5/7
  20. 5
  21. 77
  22. 31/24
  23. 6
  24. 10/11
  25. 3/8
  26. 10/11
  27. 3/5
  28. 29/18
  29. 2/3
  30. 7/8
  31. 2/3
  32. 17/18
  33. 17/12
  34. 3
  35. 4/9
  36. 10/11
  37. 4/5
  38. 11/12
  39. 1
  40. 1

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