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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 550 · 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.Write 8/56 in its simplest form. =
  2. 2.Is 1/3 in its simplest form? (a) No (b) Yes
  3. 3.Write 4/18 in its simplest form. =
  4. 4.Write 30/36 in its simplest form. =
  5. 5.Write 6/8 in its simplest form. =
  6. 6.What is the HCF of 63 and 70?
  7. 7.What is the HCF of 4 and 16?
  8. 8.Write 8/10 in its simplest form. =
  9. 9.Is 3/7 in its simplest form? (a) Yes (b) No
  10. 10.Write 35/40 in its simplest form. =
  11. 11.Write 5/20 in its simplest form. =
  12. 12.What is the HCF of 36 and 63?
  13. 13.Write 12/28 in its simplest form. =
  14. 14.Is 6/54 in its simplest form? (a) Yes (b) No
  15. 15.What is the HCF of 6 and 15?
  16. 16.Write 9/18 in its simplest form. =
  17. 17.Write 12/27 in its simplest form. =
  18. 18.Is 6/18 in its simplest form? (a) No (b) Yes
  19. 19.Is 4/9 in its simplest form? (a) Yes (b) No
  20. 20.What is the HCF of 5 and 15?
  21. 21.What is the HCF of 40 and 64?
  22. 22.Write 8/12 in its simplest form. =
  23. 23.What is the HCF of 6 and 27?
  24. 24.Is 1/8 in its simplest form? (a) Yes (b) No
  25. 25.Write 4/8 in its simplest form. =
  26. 26.Is 6/60 in its simplest form? (a) No (b) Yes
  27. 27.Is 5/6 in its simplest form? (a) No (b) Yes
  28. 28.What is the HCF of 2 and 8?
  29. 29.What is the HCF of 24 and 80?
  30. 30.Is 6/24 in its simplest form? (a) No (b) Yes
  31. 31.Is 6/9 in its simplest form? (a) No (b) Yes
  32. 32.Write 14/63 in its simplest form. =
  33. 33.Write 2/6 in its simplest form. =
  34. 34.Write 6/21 in its simplest form. =
  35. 35.Is 18/60 in its simplest form? (a) No (b) Yes
  36. 36.Write 42/60 in its simplest form. =
  37. 37.What is the HCF of 9 and 12?
  38. 38.What is the HCF of 14 and 20?
  39. 39.Write 15/50 in its simplest form. =
  40. 40.What is the HCF of 25 and 30?

Answer key

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

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