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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 149 · 40 questions
TalentJR

The method (Divide by the HCF): Find the HCF (highest common factor) of the top and the bottom. Divide the top and the bottom by the HCF. If the HCF is 1, the fraction is already in its simplest form.

NameDateTime takenScore ___ / 40
  1. 1.What is the HCF of 24 and 32?
  2. 2.Write 20/24 in its simplest form. =
  3. 3.Write 3/18 in its simplest form. =
  4. 4.Write 8/14 in its simplest form. =
  5. 5.What is the HCF of 15 and 50?
  6. 6.Is 3/10 in its simplest form? (a) Yes (b) No
  7. 7.Write 4/8 in its simplest form. =
  8. 8.Write 20/45 in its simplest form. =
  9. 9.Write 35/49 in its simplest form. =
  10. 10.Is 54/60 in its simplest form? (a) No (b) Yes
  11. 11.Is 7/10 in its simplest form? (a) No (b) Yes
  12. 12.What is the HCF of 5 and 50?
  13. 13.Is 25/40 in its simplest form? (a) No (b) Yes
  14. 14.Write 5/15 in its simplest form. =
  15. 15.What is the HCF of 2 and 18?
  16. 16.Write 20/25 in its simplest form. =
  17. 17.What is the HCF of 9 and 54?
  18. 18.Write 10/18 in its simplest form. =
  19. 19.What is the HCF of 45 and 54?
  20. 20.Is 1/6 in its simplest form? (a) Yes (b) No
  21. 21.Is 18/20 in its simplest form? (a) No (b) Yes
  22. 22.Is 3/27 in its simplest form? (a) Yes (b) No
  23. 23.Is 2/9 in its simplest form? (a) No (b) Yes
  24. 24.Write 40/56 in its simplest form. =
  25. 25.What is the HCF of 28 and 35?
  26. 26.Write 42/54 in its simplest form. =
  27. 27.What is the HCF of 4 and 32?
  28. 28.Is 3/4 in its simplest form? (a) No (b) Yes
  29. 29.Is 12/28 in its simplest form? (a) No (b) Yes
  30. 30.Write 3/24 in its simplest form. =
  31. 31.What is the HCF of 35 and 49?
  32. 32.Is 5/8 in its simplest form? (a) No (b) Yes
  33. 33.Is 30/36 in its simplest form? (a) No (b) Yes
  34. 34.What is the HCF of 16 and 40?
  35. 35.Is 8/14 in its simplest form? (a) Yes (b) No
  36. 36.Is 10/12 in its simplest form? (a) No (b) Yes
  37. 37.Write 5/30 in its simplest form. =
  38. 38.Is 15/21 in its simplest form? (a) No (b) Yes
  39. 39.What is the HCF of 8 and 16?
  40. 40.Is 2/7 in its simplest form? (a) Yes (b) No

Answer key

  1. 8
  2. 5/6
  3. 1/6
  4. 4/7
  5. 5
  6. Yes
  7. 1/2
  8. 4/9
  9. 5/7
  10. No
  11. Yes
  12. 5
  13. No
  14. 1/3
  15. 2
  16. 4/5
  17. 9
  18. 5/9
  19. 9
  20. Yes
  21. No
  22. No
  23. Yes
  24. 5/7
  25. 7
  26. 7/9
  27. 4
  28. Yes
  29. No
  30. 1/8
  31. 7
  32. Yes
  33. No
  34. 8
  35. No
  36. No
  37. 1/6
  38. No
  39. 8
  40. Yes

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