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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 572 · 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 48 and 54?
  2. 2.Is 5/6 in its simplest form? (a) No (b) Yes
  3. 3.What is the HCF of 9 and 54?
  4. 4.Write 8/14 in its simplest form. =
  5. 5.What is the HCF of 27 and 63?
  6. 6.Is 1/6 in its simplest form? (a) No (b) Yes
  7. 7.What is the HCF of 8 and 14?
  8. 8.Is 1/4 in its simplest form? (a) No (b) Yes
  9. 9.Write 35/40 in its simplest form. =
  10. 10.What is the HCF of 15 and 50?
  11. 11.Is 3/8 in its simplest form? (a) No (b) Yes
  12. 12.What is the HCF of 28 and 35?
  13. 13.Write 6/10 in its simplest form. =
  14. 14.Write 12/21 in its simplest form. =
  15. 15.Is 9/12 in its simplest form? (a) No (b) Yes
  16. 16.What is the HCF of 12 and 54?
  17. 17.Is 10/16 in its simplest form? (a) Yes (b) No
  18. 18.What is the HCF of 6 and 12?
  19. 19.Write 8/32 in its simplest form. =
  20. 20.Write 9/24 in its simplest form. =
  21. 21.Write 5/25 in its simplest form. =
  22. 22.What is the HCF of 16 and 56?
  23. 23.Write 7/49 in its simplest form. =
  24. 24.What is the HCF of 12 and 42?
  25. 25.Write 72/80 in its simplest form. =
  26. 26.What is the HCF of 54 and 60?
  27. 27.Write 54/60 in its simplest form. =
  28. 28.Write 18/21 in its simplest form. =
  29. 29.Write 12/15 in its simplest form. =
  30. 30.Write 4/10 in its simplest form. =
  31. 31.Is 2/8 in its simplest form? (a) No (b) Yes
  32. 32.Write 6/60 in its simplest form. =
  33. 33.Write 16/72 in its simplest form. =
  34. 34.Is 2/7 in its simplest form? (a) No (b) Yes
  35. 35.Write 10/16 in its simplest form. =
  36. 36.Write 12/54 in its simplest form. =
  37. 37.Write 2/20 in its simplest form. =
  38. 38.Write 5/20 in its simplest form. =
  39. 39.Write 21/30 in its simplest form. =
  40. 40.Is 3/5 in its simplest form? (a) Yes (b) No

Answer key

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

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