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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 631 · 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 3/6 in its simplest form? (a) Yes (b) No
  2. 2.Write 9/30 in its simplest form. =
  3. 3.Write 12/54 in its simplest form. =
  4. 4.Write 45/54 in its simplest form. =
  5. 5.Write 21/30 in its simplest form. =
  6. 6.What is the HCF of 30 and 36?
  7. 7.Write 2/10 in its simplest form. =
  8. 8.What is the HCF of 35 and 63?
  9. 9.Is 35/50 in its simplest form? (a) No (b) Yes
  10. 10.Write 10/15 in its simplest form. =
  11. 11.What is the HCF of 12 and 30?
  12. 12.Is 21/30 in its simplest form? (a) No (b) Yes
  13. 13.What is the HCF of 10 and 16?
  14. 14.What is the HCF of 36 and 45?
  15. 15.What is the HCF of 7 and 42?
  16. 16.Write 8/24 in its simplest form. =
  17. 17.Write 12/16 in its simplest form. =
  18. 18.Is 2/5 in its simplest form? (a) Yes (b) No
  19. 19.What is the HCF of 35 and 42?
  20. 20.Write 42/48 in its simplest form. =
  21. 21.What is the HCF of 5 and 25?
  22. 22.Write 7/21 in its simplest form. =
  23. 23.What is the HCF of 30 and 48?
  24. 24.Write 6/10 in its simplest form. =
  25. 25.What is the HCF of 3 and 15?
  26. 26.Write 42/60 in its simplest form. =
  27. 27.Write 7/42 in its simplest form. =
  28. 28.Write 6/15 in its simplest form. =
  29. 29.Is 4/5 in its simplest form? (a) Yes (b) No
  30. 30.Is 1/10 in its simplest form? (a) Yes (b) No
  31. 31.Write 2/6 in its simplest form. =
  32. 32.What is the HCF of 49 and 56?
  33. 33.Write 10/25 in its simplest form. =
  34. 34.Is 3/10 in its simplest form? (a) Yes (b) No
  35. 35.What is the HCF of 6 and 54?
  36. 36.Write 5/10 in its simplest form. =
  37. 37.Is 3/4 in its simplest form? (a) No (b) Yes
  38. 38.What is the HCF of 8 and 14?
  39. 39.Write 3/6 in its simplest form. =
  40. 40.What is the HCF of 8 and 18?

Answer key

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

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