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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 316 · 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 9/10 in its simplest form? (a) No (b) Yes
  2. 2.Write 8/14 in its simplest form. =
  3. 3.Is 1/2 in its simplest form? (a) Yes (b) No
  4. 4.Is 24/42 in its simplest form? (a) Yes (b) No
  5. 5.What is the HCF of 24 and 42?
  6. 6.Is 1/10 in its simplest form? (a) Yes (b) No
  7. 7.What is the HCF of 4 and 10?
  8. 8.What is the HCF of 8 and 80?
  9. 9.Is 4/6 in its simplest form? (a) Yes (b) No
  10. 10.Is 12/28 in its simplest form? (a) Yes (b) No
  11. 11.Write 24/40 in its simplest form. =
  12. 12.Write 14/49 in its simplest form. =
  13. 13.What is the HCF of 28 and 32?
  14. 14.Is 10/35 in its simplest form? (a) Yes (b) No
  15. 15.Write 28/40 in its simplest form. =
  16. 16.Is 1/6 in its simplest form? (a) No (b) Yes
  17. 17.What is the HCF of 2 and 18?
  18. 18.What is the HCF of 6 and 54?
  19. 19.Is 6/18 in its simplest form? (a) No (b) Yes
  20. 20.Write 27/90 in its simplest form. =
  21. 21.Write 20/28 in its simplest form. =
  22. 22.Is 3/7 in its simplest form? (a) Yes (b) No
  23. 23.What is the HCF of 24 and 64?
  24. 24.What is the HCF of 9 and 24?
  25. 25.Is 6/8 in its simplest form? (a) No (b) Yes
  26. 26.Write 40/56 in its simplest form. =
  27. 27.What is the HCF of 7 and 35?
  28. 28.Write 15/20 in its simplest form. =
  29. 29.What is the HCF of 12 and 28?
  30. 30.What is the HCF of 21 and 30?
  31. 31.What is the HCF of 4 and 18?
  32. 32.What is the HCF of 9 and 30?
  33. 33.Is 5/20 in its simplest form? (a) No (b) Yes
  34. 34.What is the HCF of 48 and 54?
  35. 35.What is the HCF of 45 and 54?
  36. 36.Write 27/36 in its simplest form. =
  37. 37.Write 18/60 in its simplest form. =
  38. 38.Write 15/25 in its simplest form. =
  39. 39.Is 5/30 in its simplest form? (a) Yes (b) No
  40. 40.Is 28/32 in its simplest form? (a) No (b) Yes

Answer key

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

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