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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 206 · 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.Is 2/9 in its simplest form? (a) No (b) Yes
  2. 2.What is the HCF of 3 and 30?
  3. 3.Write 6/21 in its simplest form. =
  4. 4.Is 7/9 in its simplest form? (a) Yes (b) No
  5. 5.Write 9/54 in its simplest form. =
  6. 6.Write 6/15 in its simplest form. =
  7. 7.Is 2/18 in its simplest form? (a) Yes (b) No
  8. 8.What is the HCF of 48 and 54?
  9. 9.Write 12/32 in its simplest form. =
  10. 10.What is the HCF of 16 and 56?
  11. 11.Write 20/36 in its simplest form. =
  12. 12.Is 18/48 in its simplest form? (a) Yes (b) No
  13. 13.Write 35/63 in its simplest form. =
  14. 14.What is the HCF of 8 and 16?
  15. 15.Is 10/12 in its simplest form? (a) No (b) Yes
  16. 16.What is the HCF of 56 and 64?
  17. 17.Is 12/14 in its simplest form? (a) No (b) Yes
  18. 18.Write 16/40 in its simplest form. =
  19. 19.What is the HCF of 12 and 27?
  20. 20.Write 45/81 in its simplest form. =
  21. 21.What is the HCF of 7 and 14?
  22. 22.Is 27/30 in its simplest form? (a) Yes (b) No
  23. 23.Is 20/28 in its simplest form? (a) No (b) Yes
  24. 24.What is the HCF of 2 and 8?
  25. 25.What is the HCF of 20 and 28?
  26. 26.What is the HCF of 10 and 12?
  27. 27.What is the HCF of 4 and 10?
  28. 28.What is the HCF of 2 and 14?
  29. 29.Write 2/16 in its simplest form. =
  30. 30.What is the HCF of 6 and 27?
  31. 31.What is the HCF of 40 and 56?
  32. 32.Write 21/30 in its simplest form. =
  33. 33.Write 40/72 in its simplest form. =
  34. 34.Write 3/18 in its simplest form. =
  35. 35.Write 8/20 in its simplest form. =
  36. 36.Is 3/6 in its simplest form? (a) No (b) Yes
  37. 37.Write 28/35 in its simplest form. =
  38. 38.Write 42/60 in its simplest form. =
  39. 39.Is 5/9 in its simplest form? (a) No (b) Yes
  40. 40.Write 35/50 in its simplest form. =

Answer key

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

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