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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 167 · 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 + 4/7 = ? (a) 26/21 (b) 3/5 (c) 25/21 (d) 9/7
  2. 2.Which fraction is greater: 1/4 or 7/10? (a) 1/4 (b) 7/10 (c) They are equal
  3. 3.Which fraction is greater: 8/11 or 11/12? (a) 8/11 (b) They are equal (c) 11/12
  4. 4.4/7 + 3/5 = ? (a) 8/7 (b) 6/5 (c) 41/35 (d) 7/12
  5. 5.Which fraction is greater: 4/9 or 2/3? (a) They are equal (b) 4/9 (c) 2/3
  6. 6.What is 1/9 of 72? (a) 64 (b) 16 (c) 8 (d) 9
  7. 7.2/3 + 2/9 = ? (a) 8/9 (b) 1/3 (c) 7/9 (d) 1
  8. 8.Which fraction is greater: 1/5 or 1/12? (a) They are equal (b) 1/12 (c) 1/5
  9. 9.Which fraction is greater: 1/9 or 1/3? (a) 1/9 (b) They are equal (c) 1/3
  10. 10.What is 7/8 of 64? (a) 8 (b) 64 (c) 56 (d) 57
  11. 11.Which fraction is greater: 1/7 or 6/11? (a) They are equal (b) 1/7 (c) 6/11
  12. 12.Which fraction is greater: 1/4 or 6/7? (a) They are equal (b) 6/7 (c) 1/4
  13. 13.6/9 + 1/2 = ? (a) 7/6 (b) 7/11 (c) 10/9 (d) 11/9
  14. 14.5/6 + 1/2 = ? (a) 4/3 (b) 7/6 (c) 3/2 (d) 3/4
  15. 15.What is 8/9 of 90? (a) 90 (b) 80 (c) 10 (d) 81
  16. 16.Which fraction is greater: 2/9 or 3/4? (a) 3/4 (b) 2/9 (c) They are equal
  17. 17.Which fraction is greater: 3/10 or 6/7? (a) 3/10 (b) They are equal (c) 6/7
  18. 18.What is 3/5 of 35? (a) 21 (b) 28 (c) 7 (d) 14
  19. 19.Which fraction is greater: 2/7 or 4/5? (a) 4/5 (b) 2/7 (c) They are equal
  20. 20.3/7 + 1/2 = ? (a) 6/7 (b) 13/14 (c) 1 (d) 4/9
  21. 21.Which fraction is greater: 2/5 or 2/9? (a) They are equal (b) 2/5 (c) 2/9
  22. 22.Which fraction is greater: 1/4 or 1/5? (a) They are equal (b) 1/5 (c) 1/4
  23. 23.Which fraction is greater: 3/5 or 3/4? (a) They are equal (b) 3/5 (c) 3/4
  24. 24.What is 5/7 of 21? (a) 6 (b) 15 (c) 18 (d) 3
  25. 25.Which fraction is greater: 5/11 or 1/3? (a) 1/3 (b) 5/11 (c) They are equal
  26. 26.What is 3/8 of 88? (a) 44 (b) 33 (c) 55 (d) 11
  27. 27.Which fraction is greater: 1/4 or 3/10? (a) They are equal (b) 1/4 (c) 3/10
  28. 28.Which fraction is greater: 11/12 or 4/11? (a) They are equal (b) 4/11 (c) 11/12
  29. 29.What is 1/4 of 24? (a) 6 (b) 18 (c) 7 (d) 12
  30. 30.Which fraction is greater: 3/4 or 1/3? (a) 1/3 (b) They are equal (c) 3/4
  31. 31.2/4 + 3/8 = ? (a) 1 (b) 5/12 (c) 3/4 (d) 7/8
  32. 32.2/4 + 7/8 = ? (a) 3/2 (b) 11/8 (c) 3/4 (d) 5/4
  33. 33.Which fraction is greater: 7/8 or 5/9? (a) 5/9 (b) 7/8 (c) They are equal
  34. 34.2/8 + 2/3 = ? (a) 23/24 (b) 4/11 (c) 7/8 (d) 11/12
  35. 35.Which fraction is greater: 4/5 or 2/3? (a) 4/5 (b) 2/3 (c) They are equal
  36. 36.2/3 + 2/7 = ? (a) 1 (b) 20/21 (c) 19/21 (d) 2/5
  37. 37.Which fraction is greater: 1/4 or 9/11? (a) They are equal (b) 1/4 (c) 9/11
  38. 38.1/3 + 1/9 = ? (a) 1/6 (b) 5/9 (c) 1/3 (d) 4/9
  39. 39.6/7 + 3/7 = ? (a) 9/14 (b) 10/7 (c) 8/7 (d) 9/7
  40. 40.1/3 + 6/9 = ? (a) 8/9 (b) 10/9 (c) 1 (d) 7/12

Answer key

  1. 26/21
  2. 7/10
  3. 11/12
  4. 41/35
  5. 2/3
  6. 8
  7. 8/9
  8. 1/5
  9. 1/3
  10. 56
  11. 6/11
  12. 6/7
  13. 7/6
  14. 4/3
  15. 80
  16. 3/4
  17. 6/7
  18. 21
  19. 4/5
  20. 13/14
  21. 2/5
  22. 1/4
  23. 3/4
  24. 15
  25. 5/11
  26. 33
  27. 3/10
  28. 11/12
  29. 6
  30. 3/4
  31. 7/8
  32. 11/8
  33. 7/8
  34. 11/12
  35. 4/5
  36. 20/21
  37. 9/11
  38. 4/9
  39. 9/7
  40. 1

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