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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 444 · 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 64?
  2. 2.Is 42/60 in its simplest form? (a) No (b) Yes
  3. 3.Write 18/45 in its simplest form. =
  4. 4.Write 3/24 in its simplest form. =
  5. 5.Write 16/40 in its simplest form. =
  6. 6.What is the HCF of 24 and 42?
  7. 7.Write 4/32 in its simplest form. =
  8. 8.What is the HCF of 8 and 14?
  9. 9.What is the HCF of 6 and 42?
  10. 10.Write 12/27 in its simplest form. =
  11. 11.What is the HCF of 12 and 28?
  12. 12.Is 5/6 in its simplest form? (a) Yes (b) No
  13. 13.Is 42/54 in its simplest form? (a) No (b) Yes
  14. 14.What is the HCF of 7 and 21?
  15. 15.What is the HCF of 2 and 8?
  16. 16.Write 12/54 in its simplest form. =
  17. 17.Is 7/10 in its simplest form? (a) No (b) Yes
  18. 18.Write 15/21 in its simplest form. =
  19. 19.Write 27/36 in its simplest form. =
  20. 20.What is the HCF of 4 and 24?
  21. 21.Write 27/30 in its simplest form. =
  22. 22.Write 27/45 in its simplest form. =
  23. 23.What is the HCF of 35 and 50?
  24. 24.What is the HCF of 18 and 30?
  25. 25.Write 21/49 in its simplest form. =
  26. 26.Is 2/5 in its simplest form? (a) No (b) Yes
  27. 27.Write 18/81 in its simplest form. =
  28. 28.Write 45/81 in its simplest form. =
  29. 29.What is the HCF of 4 and 20?
  30. 30.Is 5/8 in its simplest form? (a) No (b) Yes
  31. 31.What is the HCF of 9 and 45?
  32. 32.Is 24/30 in its simplest form? (a) No (b) Yes
  33. 33.Is 2/8 in its simplest form? (a) No (b) Yes
  34. 34.What is the HCF of 25 and 30?
  35. 35.Write 15/18 in its simplest form. =
  36. 36.Write 12/20 in its simplest form. =
  37. 37.Write 4/14 in its simplest form. =
  38. 38.Write 21/27 in its simplest form. =
  39. 39.Write 36/45 in its simplest form. =
  40. 40.Is 1/2 in its simplest form? (a) No (b) Yes

Answer key

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

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