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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 236 · 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 3/7 in its simplest form? (a) Yes (b) No
  2. 2.Write 20/32 in its simplest form. =
  3. 3.Write 27/45 in its simplest form. =
  4. 4.Is 2/9 in its simplest form? (a) No (b) Yes
  5. 5.Is 2/18 in its simplest form? (a) No (b) Yes
  6. 6.Is 6/10 in its simplest form? (a) Yes (b) No
  7. 7.Write 8/56 in its simplest form. =
  8. 8.Is 3/27 in its simplest form? (a) Yes (b) No
  9. 9.What is the HCF of 12 and 30?
  10. 10.Write 6/16 in its simplest form. =
  11. 11.Write 54/63 in its simplest form. =
  12. 12.What is the HCF of 24 and 56?
  13. 13.Is 30/54 in its simplest form? (a) Yes (b) No
  14. 14.Write 12/30 in its simplest form. =
  15. 15.Write 3/9 in its simplest form. =
  16. 16.Write 2/8 in its simplest form. =
  17. 17.Is 5/10 in its simplest form? (a) Yes (b) No
  18. 18.What is the HCF of 3 and 12?
  19. 19.Is 2/3 in its simplest form? (a) No (b) Yes
  20. 20.Is 20/35 in its simplest form? (a) No (b) Yes
  21. 21.Write 4/40 in its simplest form. =
  22. 22.Write 35/56 in its simplest form. =
  23. 23.What is the HCF of 3 and 9?
  24. 24.Write 45/63 in its simplest form. =
  25. 25.What is the HCF of 5 and 50?
  26. 26.What is the HCF of 42 and 49?
  27. 27.Is 3/30 in its simplest form? (a) No (b) Yes
  28. 28.What is the HCF of 16 and 20?
  29. 29.Is 1/9 in its simplest form? (a) No (b) Yes
  30. 30.Write 14/20 in its simplest form. =
  31. 31.What is the HCF of 20 and 28?
  32. 32.Write 16/20 in its simplest form. =
  33. 33.Is 5/7 in its simplest form? (a) Yes (b) No
  34. 34.Write 7/70 in its simplest form. =
  35. 35.Is 3/6 in its simplest form? (a) Yes (b) No
  36. 36.Write 5/30 in its simplest form. =
  37. 37.Write 8/28 in its simplest form. =
  38. 38.Write 15/24 in its simplest form. =
  39. 39.Is 5/8 in its simplest form? (a) No (b) Yes
  40. 40.Write 24/28 in its simplest form. =

Answer key

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

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