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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 970 · 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 1/5 of 40? (a) 16 (b) 9 (c) 32 (d) 8
  2. 2.1/2 + 1/2 = ? (a) 2 (b) 1/2 (c) 1 (d) 3/2
  3. 3.5/7 + 3/5 = ? (a) 46/35 (b) 47/35 (c) 9/7 (d) 2/3
  4. 4.Which fraction is greater: 1/7 or 3/5? (a) 3/5 (b) 1/7 (c) They are equal
  5. 5.3/5 + 2/6 = ? (a) 9/10 (b) 29/30 (c) 14/15 (d) 5/11
  6. 6.Which fraction is greater: 5/9 or 4/5? (a) 4/5 (b) They are equal (c) 5/9
  7. 7.5/6 + 3/4 = ? (a) 5/3 (b) 3/2 (c) 4/5 (d) 19/12
  8. 8.What is 4/5 of 60? (a) 12 (b) 60 (c) 48 (d) 49
  9. 9.1/4 + 6/8 = ? (a) 1 (b) 9/8 (c) 7/12 (d) 7/8
  10. 10.Which fraction is greater: 2/3 or 1/4? (a) 1/4 (b) They are equal (c) 2/3
  11. 11.2/3 + 2/5 = ? (a) 17/15 (b) 16/15 (c) 1 (d) 1/2
  12. 12.1/2 + 4/8 = ? (a) 7/8 (b) 1/2 (c) 1 (d) 9/8
  13. 13.What is 1/2 of 14? (a) 6 (b) 8 (c) 7 (d) 14
  14. 14.2/3 + 5/6 = ? (a) 7/9 (b) 3/2 (c) 4/3 (d) 5/3
  15. 15.What is 1/2 of 8? (a) 3 (b) 4 (c) 5 (d) 8
  16. 16.Which fraction is greater: 2/5 or 6/11? (a) They are equal (b) 2/5 (c) 6/11
  17. 17.What is 3/4 of 20? (a) 16 (b) 5 (c) 20 (d) 15
  18. 18.1/2 + 4/6 = ? (a) 1 (b) 4/3 (c) 7/6 (d) 5/8
  19. 19.Which fraction is greater: 1/6 or 2/3? (a) 2/3 (b) 1/6 (c) They are equal
  20. 20.1/4 + 1/2 = ? (a) 1/2 (b) 1 (c) 1/3 (d) 3/4
  21. 21.1/2 + 2/6 = ? (a) 2/3 (b) 3/8 (c) 1 (d) 5/6
  22. 22.1/2 + 5/9 = ? (a) 1 (b) 6/11 (c) 19/18 (d) 10/9
  23. 23.Which fraction is greater: 7/12 or 3/7? (a) They are equal (b) 7/12 (c) 3/7
  24. 24.What is 1/6 of 48? (a) 8 (b) 16 (c) 9 (d) 40
  25. 25.What is 4/7 of 77? (a) 11 (b) 33 (c) 55 (d) 44
  26. 26.What is 3/5 of 25? (a) 15 (b) 5 (c) 20 (d) 10
  27. 27.1/4 + 3/7 = ? (a) 4/11 (b) 9/14 (c) 19/28 (d) 5/7
  28. 28.Which fraction is greater: 8/9 or 3/4? (a) They are equal (b) 3/4 (c) 8/9
  29. 29.Which fraction is greater: 1/9 or 4/5? (a) 1/9 (b) They are equal (c) 4/5
  30. 30.3/8 + 1/2 = ? (a) 2/5 (b) 3/4 (c) 1 (d) 7/8
  31. 31.3/6 + 1/4 = ? (a) 2/3 (b) 3/4 (c) 5/6 (d) 2/5
  32. 32.Which fraction is greater: 1/9 or 7/8? (a) They are equal (b) 7/8 (c) 1/9
  33. 33.What is 2/3 of 6? (a) 5 (b) 6 (c) 4 (d) 2
  34. 34.1/3 + 4/7 = ? (a) 1/2 (b) 19/21 (c) 20/21 (d) 6/7
  35. 35.Which fraction is greater: 1/4 or 1/3? (a) 1/3 (b) They are equal (c) 1/4
  36. 36.1/3 + 1/2 = ? (a) 1 (b) 2/3 (c) 2/5 (d) 5/6
  37. 37.Which fraction is greater: 3/8 or 2/3? (a) 3/8 (b) They are equal (c) 2/3
  38. 38.4/7 + 1/7 = ? (a) 6/7 (b) 5/7 (c) 4/7 (d) 5/14
  39. 39.2/3 + 2/3 = ? (a) 2/3 (b) 4/3 (c) 1 (d) 5/3
  40. 40.3/6 + 1/3 = ? (a) 1 (b) 4/9 (c) 2/3 (d) 5/6

Answer key

  1. 8
  2. 1
  3. 46/35
  4. 3/5
  5. 14/15
  6. 4/5
  7. 19/12
  8. 48
  9. 1
  10. 2/3
  11. 16/15
  12. 1
  13. 7
  14. 3/2
  15. 4
  16. 6/11
  17. 15
  18. 7/6
  19. 2/3
  20. 3/4
  21. 5/6
  22. 19/18
  23. 7/12
  24. 8
  25. 44
  26. 15
  27. 19/28
  28. 8/9
  29. 4/5
  30. 7/8
  31. 3/4
  32. 7/8
  33. 4
  34. 19/21
  35. 1/3
  36. 5/6
  37. 2/3
  38. 5/7
  39. 4/3
  40. 5/6

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