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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 609 · 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 + 2/3 = ? (a) 5/3 (b) 1 (c) 4/3 (d) 2/3
  2. 2.3/4 + 1/5 = ? (a) 1 (b) 9/10 (c) 4/9 (d) 19/20
  3. 3.Which fraction is greater: 1/3 or 1/7? (a) 1/7 (b) 1/3 (c) They are equal
  4. 4.Which fraction is greater: 4/9 or 6/7? (a) They are equal (b) 4/9 (c) 6/7
  5. 5.Which fraction is greater: 2/3 or 1/11? (a) They are equal (b) 1/11 (c) 2/3
  6. 6.5/6 + 1/4 = ? (a) 7/6 (b) 13/12 (c) 3/5 (d) 1
  7. 7.Which fraction is greater: 2/5 or 1/6? (a) 1/6 (b) 2/5 (c) They are equal
  8. 8.Which fraction is greater: 5/8 or 5/7? (a) 5/8 (b) 5/7 (c) They are equal
  9. 9.2/8 + 1/3 = ? (a) 5/8 (b) 13/24 (c) 7/12 (d) 3/11
  10. 10.What is 6/7 of 63? (a) 63 (b) 55 (c) 9 (d) 54
  11. 11.What is 1/2 of 18? (a) 10 (b) 9 (c) 8 (d) 18
  12. 12.What is 1/3 of 30? (a) 20 (b) 11 (c) 9 (d) 10
  13. 13.Which fraction is greater: 3/10 or 2/3? (a) 2/3 (b) They are equal (c) 3/10
  14. 14.1/2 + 1/8 = ? (a) 5/8 (b) 1/2 (c) 1/5 (d) 3/4
  15. 15.2/3 + 7/9 = ? (a) 3/4 (b) 4/3 (c) 14/9 (d) 13/9
  16. 16.What is 5/6 of 66? (a) 11 (b) 66 (c) 56 (d) 55
  17. 17.Which fraction is greater: 7/11 or 3/7? (a) 3/7 (b) 7/11 (c) They are equal
  18. 18.Which fraction is greater: 2/3 or 1/5? (a) 2/3 (b) 1/5 (c) They are equal
  19. 19.Which fraction is greater: 4/5 or 1/7? (a) 1/7 (b) 4/5 (c) They are equal
  20. 20.Which fraction is greater: 4/5 or 3/11? (a) 3/11 (b) 4/5 (c) They are equal
  21. 21.What is 3/8 of 40? (a) 20 (b) 15 (c) 5 (d) 25
  22. 22.Which fraction is greater: 2/3 or 7/11? (a) They are equal (b) 2/3 (c) 7/11
  23. 23.What is 8/9 of 36? (a) 33 (b) 32 (c) 4 (d) 36
  24. 24.Which fraction is greater: 3/8 or 2/3? (a) 3/8 (b) 2/3 (c) They are equal
  25. 25.Which fraction is greater: 4/11 or 2/5? (a) 4/11 (b) 2/5 (c) They are equal
  26. 26.What is 2/7 of 49? (a) 35 (b) 7 (c) 21 (d) 14
  27. 27.1/8 + 4/8 = ? (a) 1/2 (b) 5/16 (c) 5/8 (d) 3/4
  28. 28.2/4 + 2/8 = ? (a) 3/4 (b) 5/8 (c) 7/8 (d) 1/3
  29. 29.Which fraction is greater: 5/12 or 1/4? (a) 1/4 (b) 5/12 (c) They are equal
  30. 30.Which fraction is greater: 1/4 or 1/8? (a) 1/4 (b) 1/8 (c) They are equal
  31. 31.1/2 + 3/6 = ? (a) 1/2 (b) 1 (c) 7/6 (d) 5/6
  32. 32.1/4 + 2/6 = ? (a) 1/2 (b) 3/10 (c) 2/3 (d) 7/12
  33. 33.Which fraction is greater: 1/3 or 1/11? (a) They are equal (b) 1/11 (c) 1/3
  34. 34.Which fraction is greater: 1/9 or 5/11? (a) 1/9 (b) They are equal (c) 5/11
  35. 35.1/5 + 3/4 = ? (a) 19/20 (b) 9/10 (c) 1 (d) 4/9
  36. 36.Which fraction is greater: 3/10 or 1/9? (a) 3/10 (b) They are equal (c) 1/9
  37. 37.3/4 + 1/3 = ? (a) 1 (b) 4/7 (c) 7/6 (d) 13/12
  38. 38.Which fraction is greater: 4/9 or 5/8? (a) 4/9 (b) They are equal (c) 5/8
  39. 39.What is 1/2 of 4? (a) 3 (b) 1 (c) 2 (d) 4
  40. 40.Which fraction is greater: 1/9 or 7/10? (a) 7/10 (b) They are equal (c) 1/9

Answer key

  1. 4/3
  2. 19/20
  3. 1/3
  4. 6/7
  5. 2/3
  6. 13/12
  7. 2/5
  8. 5/7
  9. 7/12
  10. 54
  11. 9
  12. 10
  13. 2/3
  14. 5/8
  15. 13/9
  16. 55
  17. 7/11
  18. 2/3
  19. 4/5
  20. 4/5
  21. 15
  22. 2/3
  23. 32
  24. 2/3
  25. 2/5
  26. 14
  27. 5/8
  28. 3/4
  29. 5/12
  30. 1/4
  31. 1
  32. 7/12
  33. 1/3
  34. 5/11
  35. 19/20
  36. 3/10
  37. 13/12
  38. 5/8
  39. 2
  40. 7/10

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