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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 689 · 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.What is 1/4 of 32? (a) 8 (b) 16 (c) 24 (d) 9
  2. 2.1/4 + 2/3 = ? (a) 3/7 (b) 5/6 (c) 11/12 (d) 1
  3. 3.What is 1/2 of 16? (a) 9 (b) 16 (c) 7 (d) 8
  4. 4.Which fraction is greater: 3/11 or 2/3? (a) 3/11 (b) They are equal (c) 2/3
  5. 5.Which fraction is greater: 9/10 or 1/4? (a) 1/4 (b) 9/10 (c) They are equal
  6. 6.1/3 + 3/4 = ? (a) 1 (b) 7/6 (c) 4/7 (d) 13/12
  7. 7.4/6 + 1/3 = ? (a) 7/6 (b) 5/9 (c) 5/6 (d) 1
  8. 8.2/6 + 5/9 = ? (a) 7/15 (b) 8/9 (c) 5/6 (d) 17/18
  9. 9.Which fraction is greater: 4/7 or 1/3? (a) 1/3 (b) They are equal (c) 4/7
  10. 10.What is 1/2 of 22? (a) 12 (b) 22 (c) 10 (d) 11
  11. 11.What is 1/9 of 45? (a) 40 (b) 5 (c) 6 (d) 10
  12. 12.1/3 + 1/3 = ? (a) 2/3 (b) 4/3 (c) 1 (d) 1/3
  13. 13.1/3 + 1/5 = ? (a) 8/15 (b) 7/15 (c) 3/5 (d) 1/4
  14. 14.6/8 + 1/2 = ? (a) 7/10 (b) 11/8 (c) 9/8 (d) 5/4
  15. 15.What is 7/9 of 99? (a) 22 (b) 77 (c) 11 (d) 88
  16. 16.Which fraction is greater: 3/11 or 1/6? (a) They are equal (b) 3/11 (c) 1/6
  17. 17.Which fraction is greater: 5/8 or 5/12? (a) They are equal (b) 5/8 (c) 5/12
  18. 18.Which fraction is greater: 1/3 or 10/11? (a) 1/3 (b) They are equal (c) 10/11
  19. 19.What is 1/3 of 30? (a) 9 (b) 11 (c) 10 (d) 20
  20. 20.What is 3/4 of 12? (a) 10 (b) 12 (c) 3 (d) 9
  21. 21.What is 5/7 of 56? (a) 8 (b) 48 (c) 40 (d) 16
  22. 22.4/6 + 7/8 = ? (a) 11/14 (b) 19/12 (c) 37/24 (d) 3/2
  23. 23.What is 2/3 of 6? (a) 2 (b) 5 (c) 6 (d) 4
  24. 24.1/6 + 1/2 = ? (a) 2/3 (b) 1/4 (c) 1/2 (d) 5/6
  25. 25.2/3 + 2/4 = ? (a) 7/6 (b) 13/12 (c) 4/7 (d) 5/4
  26. 26.What is 2/9 of 72? (a) 16 (b) 56 (c) 8 (d) 24
  27. 27.1/3 + 5/6 = ? (a) 2/3 (b) 1 (c) 7/6 (d) 4/3
  28. 28.What is 1/2 of 4? (a) 1 (b) 3 (c) 2 (d) 4
  29. 29.Which fraction is greater: 1/3 or 5/7? (a) They are equal (b) 1/3 (c) 5/7
  30. 30.What is 1/5 of 10? (a) 4 (b) 3 (c) 2 (d) 8
  31. 31.What is 4/7 of 49? (a) 28 (b) 21 (c) 7 (d) 35
  32. 32.What is 5/8 of 48? (a) 6 (b) 30 (c) 36 (d) 18
  33. 33.What is 1/2 of 18? (a) 10 (b) 8 (c) 18 (d) 9
  34. 34.Which fraction is greater: 4/11 or 4/9? (a) They are equal (b) 4/11 (c) 4/9
  35. 35.Which fraction is greater: 9/11 or 7/8? (a) 7/8 (b) They are equal (c) 9/11
  36. 36.Which fraction is greater: 2/5 or 1/7? (a) 1/7 (b) They are equal (c) 2/5
  37. 37.What is 1/9 of 63? (a) 14 (b) 56 (c) 7 (d) 8
  38. 38.Which fraction is greater: 3/5 or 3/10? (a) 3/10 (b) They are equal (c) 3/5
  39. 39.Which fraction is greater: 5/9 or 3/5? (a) 3/5 (b) They are equal (c) 5/9
  40. 40.1/7 + 1/5 = ? (a) 11/35 (b) 13/35 (c) 12/35 (d) 1/6

Answer key

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

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