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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 213 · 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 9/36 in its simplest form. =
  2. 2.What is the HCF of 6 and 9?
  3. 3.Is 4/9 in its simplest form? (a) No (b) Yes
  4. 4.Write 12/18 in its simplest form. =
  5. 5.Write 9/63 in its simplest form. =
  6. 6.Write 3/6 in its simplest form. =
  7. 7.Is 7/9 in its simplest form? (a) No (b) Yes
  8. 8.Write 2/14 in its simplest form. =
  9. 9.What is the HCF of 14 and 35?
  10. 10.What is the HCF of 18 and 27?
  11. 11.What is the HCF of 21 and 27?
  12. 12.What is the HCF of 27 and 63?
  13. 13.What is the HCF of 3 and 12?
  14. 14.What is the HCF of 8 and 56?
  15. 15.Write 35/40 in its simplest form. =
  16. 16.Is 3/9 in its simplest form? (a) No (b) Yes
  17. 17.What is the HCF of 4 and 18?
  18. 18.What is the HCF of 40 and 72?
  19. 19.Write 36/45 in its simplest form. =
  20. 20.What is the HCF of 24 and 32?
  21. 21.Is 1/5 in its simplest form? (a) No (b) Yes
  22. 22.What is the HCF of 32 and 40?
  23. 23.What is the HCF of 9 and 90?
  24. 24.What is the HCF of 36 and 63?
  25. 25.What is the HCF of 6 and 12?
  26. 26.What is the HCF of 9 and 27?
  27. 27.What is the HCF of 15 and 20?
  28. 28.What is the HCF of 24 and 56?
  29. 29.Is 6/12 in its simplest form? (a) No (b) Yes
  30. 30.Write 8/72 in its simplest form. =
  31. 31.Is 10/45 in its simplest form? (a) No (b) Yes
  32. 32.Write 5/20 in its simplest form. =
  33. 33.Write 42/60 in its simplest form. =
  34. 34.Write 56/72 in its simplest form. =
  35. 35.Write 18/81 in its simplest form. =
  36. 36.What is the HCF of 15 and 27?
  37. 37.What is the HCF of 42 and 54?
  38. 38.Is 18/24 in its simplest form? (a) Yes (b) No
  39. 39.Is 2/16 in its simplest form? (a) No (b) Yes
  40. 40.Write 9/18 in its simplest form. =

Answer key

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

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