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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 660 · 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.Which fraction is greater: 5/12 or 3/10? (a) 3/10 (b) They are equal (c) 5/12
  2. 2.Which fraction is greater: 1/4 or 2/3? (a) 1/4 (b) 2/3 (c) They are equal
  3. 3.3/4 + 1/3 = ? (a) 13/12 (b) 4/7 (c) 7/6 (d) 1
  4. 4.Which fraction is greater: 4/7 or 2/3? (a) 4/7 (b) 2/3 (c) They are equal
  5. 5.What is 1/6 of 24? (a) 5 (b) 20 (c) 8 (d) 4
  6. 6.What is 1/7 of 42? (a) 12 (b) 36 (c) 6 (d) 7
  7. 7.1/2 + 1/2 = ? (a) 1/2 (b) 2 (c) 1 (d) 3/2
  8. 8.1/5 + 4/7 = ? (a) 26/35 (b) 5/12 (c) 4/5 (d) 27/35
  9. 9.What is 1/2 of 4? (a) 3 (b) 4 (c) 2 (d) 1
  10. 10.What is 5/9 of 81? (a) 45 (b) 54 (c) 36 (d) 9
  11. 11.Which fraction is greater: 7/8 or 1/6? (a) 7/8 (b) They are equal (c) 1/6
  12. 12.2/3 + 8/9 = ? (a) 14/9 (b) 13/9 (c) 5/3 (d) 5/6
  13. 13.1/2 + 1/6 = ? (a) 1/2 (b) 1/4 (c) 2/3 (d) 5/6
  14. 14.2/4 + 2/5 = ? (a) 9/10 (b) 19/20 (c) 4/9 (d) 17/20
  15. 15.What is 1/8 of 72? (a) 10 (b) 9 (c) 18 (d) 63
  16. 16.What is 2/9 of 63? (a) 14 (b) 49 (c) 7 (d) 21
  17. 17.What is 8/9 of 72? (a) 65 (b) 64 (c) 8 (d) 72
  18. 18.What is 2/7 of 42? (a) 6 (b) 12 (c) 18 (d) 30
  19. 19.Which fraction is greater: 1/5 or 1/6? (a) They are equal (b) 1/5 (c) 1/6
  20. 20.Which fraction is greater: 2/7 or 5/6? (a) 2/7 (b) 5/6 (c) They are equal
  21. 21.Which fraction is greater: 1/7 or 7/9? (a) They are equal (b) 7/9 (c) 1/7
  22. 22.7/9 + 8/9 = ? (a) 5/6 (b) 5/3 (c) 14/9 (d) 16/9
  23. 23.Which fraction is greater: 8/9 or 1/7? (a) 1/7 (b) 8/9 (c) They are equal
  24. 24.Which fraction is greater: 6/11 or 2/3? (a) 6/11 (b) 2/3 (c) They are equal
  25. 25.1/2 + 3/4 = ? (a) 3/2 (b) 5/4 (c) 2/3 (d) 1
  26. 26.Which fraction is greater: 3/11 or 3/8? (a) 3/11 (b) They are equal (c) 3/8
  27. 27.Which fraction is greater: 5/12 or 1/9? (a) 1/9 (b) They are equal (c) 5/12
  28. 28.Which fraction is greater: 9/11 or 3/4? (a) 9/11 (b) 3/4 (c) They are equal
  29. 29.What is 7/9 of 99? (a) 88 (b) 77 (c) 11 (d) 22
  30. 30.What is 2/5 of 15? (a) 9 (b) 6 (c) 7 (d) 3
  31. 31.What is 5/6 of 66? (a) 56 (b) 11 (c) 55 (d) 66
  32. 32.Which fraction is greater: 3/5 or 2/9? (a) 3/5 (b) 2/9 (c) They are equal
  33. 33.4/5 + 1/2 = ? (a) 5/7 (b) 7/5 (c) 6/5 (d) 13/10
  34. 34.Which fraction is greater: 1/10 or 11/12? (a) 11/12 (b) They are equal (c) 1/10
  35. 35.1/3 + 2/5 = ? (a) 4/5 (b) 11/15 (c) 3/8 (d) 2/3
  36. 36.Which fraction is greater: 2/3 or 4/9? (a) 4/9 (b) 2/3 (c) They are equal
  37. 37.1/2 + 4/5 = ? (a) 7/5 (b) 5/7 (c) 6/5 (d) 13/10
  38. 38.2/4 + 2/4 = ? (a) 1 (b) 5/4 (c) 3/4 (d) 1/2
  39. 39.Which fraction is greater: 4/7 or 4/11? (a) They are equal (b) 4/7 (c) 4/11
  40. 40.Which fraction is greater: 5/7 or 1/4? (a) They are equal (b) 5/7 (c) 1/4

Answer key

  1. 5/12
  2. 2/3
  3. 13/12
  4. 2/3
  5. 4
  6. 6
  7. 1
  8. 27/35
  9. 2
  10. 45
  11. 7/8
  12. 14/9
  13. 2/3
  14. 9/10
  15. 9
  16. 14
  17. 64
  18. 12
  19. 1/5
  20. 5/6
  21. 7/9
  22. 5/3
  23. 8/9
  24. 2/3
  25. 5/4
  26. 3/8
  27. 5/12
  28. 9/11
  29. 77
  30. 6
  31. 55
  32. 3/5
  33. 13/10
  34. 11/12
  35. 11/15
  36. 2/3
  37. 13/10
  38. 1
  39. 4/7
  40. 5/7

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