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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 777 · 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.Write 4/18 in its simplest form. =
  3. 3.Is 2/9 in its simplest form? (a) No (b) Yes
  4. 4.What is the HCF of 3 and 6?
  5. 5.Is 8/36 in its simplest form? (a) Yes (b) No
  6. 6.Write 14/35 in its simplest form. =
  7. 7.What is the HCF of 4 and 24?
  8. 8.What is the HCF of 14 and 18?
  9. 9.What is the HCF of 4 and 16?
  10. 10.Write 7/14 in its simplest form. =
  11. 11.What is the HCF of 4 and 20?
  12. 12.What is the HCF of 6 and 27?
  13. 13.Is 25/35 in its simplest form? (a) No (b) Yes
  14. 14.What is the HCF of 6 and 54?
  15. 15.Write 4/20 in its simplest form. =
  16. 16.Write 4/40 in its simplest form. =
  17. 17.Is 1/10 in its simplest form? (a) No (b) Yes
  18. 18.Write 12/40 in its simplest form. =
  19. 19.Is 2/20 in its simplest form? (a) No (b) Yes
  20. 20.Is 3/12 in its simplest form? (a) No (b) Yes
  21. 21.Write 20/32 in its simplest form. =
  22. 22.What is the HCF of 9 and 21?
  23. 23.Write 14/16 in its simplest form. =
  24. 24.Is 4/32 in its simplest form? (a) No (b) Yes
  25. 25.Write 21/49 in its simplest form. =
  26. 26.What is the HCF of 25 and 40?
  27. 27.What is the HCF of 30 and 54?
  28. 28.Write 2/6 in its simplest form. =
  29. 29.Write 4/10 in its simplest form. =
  30. 30.Write 72/81 in its simplest form. =
  31. 31.Is 4/5 in its simplest form? (a) Yes (b) No
  32. 32.What is the HCF of 28 and 35?
  33. 33.Is 1/3 in its simplest form? (a) No (b) Yes
  34. 34.What is the HCF of 6 and 24?
  35. 35.Write 27/36 in its simplest form. =
  36. 36.What is the HCF of 8 and 20?
  37. 37.Is 3/7 in its simplest form? (a) No (b) Yes
  38. 38.Write 48/56 in its simplest form. =
  39. 39.What is the HCF of 30 and 48?
  40. 40.Is 42/60 in its simplest form? (a) No (b) Yes

Answer key

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

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