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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 395 · 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 + 8/9 = ? (a) 13/9 (b) 25/18 (c) 4/3 (d) 9/11
  2. 2.Which fraction is greater: 7/9 or 2/3? (a) 2/3 (b) They are equal (c) 7/9
  3. 3.1/3 + 1/2 = ? (a) 2/3 (b) 1 (c) 5/6 (d) 2/5
  4. 4.What is 1/4 of 28? (a) 21 (b) 8 (c) 7 (d) 14
  5. 5.3/5 + 2/5 = ? (a) 6/5 (b) 1/2 (c) 1 (d) 4/5
  6. 6.3/4 + 3/6 = ? (a) 3/5 (b) 5/4 (c) 7/6 (d) 4/3
  7. 7.Which fraction is greater: 9/10 or 1/4? (a) 1/4 (b) They are equal (c) 9/10
  8. 8.4/6 + 2/3 = ? (a) 3/2 (b) 4/3 (c) 2/3 (d) 7/6
  9. 9.What is 2/9 of 81? (a) 9 (b) 18 (c) 63 (d) 27
  10. 10.What is 1/7 of 63? (a) 18 (b) 9 (c) 54 (d) 10
  11. 11.What is 1/7 of 28? (a) 8 (b) 24 (c) 5 (d) 4
  12. 12.What is 8/9 of 36? (a) 32 (b) 33 (c) 4 (d) 36
  13. 13.Which fraction is greater: 1/4 or 2/3? (a) 2/3 (b) 1/4 (c) They are equal
  14. 14.Which fraction is greater: 1/3 or 5/11? (a) 5/11 (b) They are equal (c) 1/3
  15. 15.Which fraction is greater: 7/8 or 1/3? (a) 1/3 (b) They are equal (c) 7/8
  16. 16.Which fraction is greater: 4/5 or 5/11? (a) They are equal (b) 4/5 (c) 5/11
  17. 17.3/6 + 1/5 = ? (a) 2/3 (b) 11/15 (c) 7/10 (d) 4/11
  18. 18.Which fraction is greater: 4/9 or 2/5? (a) They are equal (b) 4/9 (c) 2/5
  19. 19.1/7 + 4/5 = ? (a) 33/35 (b) 34/35 (c) 5/12 (d) 32/35
  20. 20.Which fraction is greater: 6/11 or 1/3? (a) 6/11 (b) They are equal (c) 1/3
  21. 21.1/2 + 1/4 = ? (a) 3/4 (b) 1 (c) 1/2 (d) 1/3
  22. 22.What is 3/8 of 80? (a) 30 (b) 50 (c) 10 (d) 40
  23. 23.Which fraction is greater: 3/4 or 3/7? (a) They are equal (b) 3/4 (c) 3/7
  24. 24.5/7 + 1/3 = ? (a) 23/21 (b) 22/21 (c) 3/5 (d) 1
  25. 25.Which fraction is greater: 1/7 or 3/4? (a) They are equal (b) 3/4 (c) 1/7
  26. 26.4/6 + 1/4 = ? (a) 11/12 (b) 1/2 (c) 1 (d) 5/6
  27. 27.1/6 + 3/4 = ? (a) 1 (b) 2/5 (c) 11/12 (d) 5/6
  28. 28.What is 1/3 of 33? (a) 22 (b) 10 (c) 12 (d) 11
  29. 29.4/8 + 1/2 = ? (a) 7/8 (b) 9/8 (c) 1/2 (d) 1
  30. 30.Which fraction is greater: 1/9 or 2/5? (a) 1/9 (b) 2/5 (c) They are equal
  31. 31.What is 3/8 of 32? (a) 12 (b) 20 (c) 16 (d) 4
  32. 32.What is 1/4 of 40? (a) 20 (b) 30 (c) 10 (d) 11
  33. 33.Which fraction is greater: 3/7 or 2/3? (a) 3/7 (b) They are equal (c) 2/3
  34. 34.Which fraction is greater: 5/9 or 1/11? (a) They are equal (b) 5/9 (c) 1/11
  35. 35.6/8 + 7/8 = ? (a) 7/4 (b) 3/2 (c) 13/8 (d) 13/16
  36. 36.Which fraction is greater: 3/5 or 1/4? (a) 1/4 (b) They are equal (c) 3/5
  37. 37.Which fraction is greater: 10/11 or 4/5? (a) They are equal (b) 10/11 (c) 4/5
  38. 38.1/8 + 5/8 = ? (a) 7/8 (b) 3/4 (c) 3/8 (d) 5/8
  39. 39.1/2 + 2/3 = ? (a) 3/5 (b) 4/3 (c) 1 (d) 7/6
  40. 40.What is 1/2 of 8? (a) 4 (b) 3 (c) 8 (d) 5

Answer key

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

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