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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 859 · 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 8/14 in its simplest form? (a) Yes (b) No
  2. 2.What is the HCF of 7 and 70?
  3. 3.Write 5/15 in its simplest form. =
  4. 4.Write 4/32 in its simplest form. =
  5. 5.Write 81/90 in its simplest form. =
  6. 6.Write 8/56 in its simplest form. =
  7. 7.Is 1/5 in its simplest form? (a) Yes (b) No
  8. 8.What is the HCF of 14 and 63?
  9. 9.Is 28/32 in its simplest form? (a) No (b) Yes
  10. 10.Is 5/7 in its simplest form? (a) No (b) Yes
  11. 11.Is 8/9 in its simplest form? (a) Yes (b) No
  12. 12.Is 4/9 in its simplest form? (a) Yes (b) No
  13. 13.What is the HCF of 24 and 30?
  14. 14.What is the HCF of 12 and 32?
  15. 15.Is 5/35 in its simplest form? (a) No (b) Yes
  16. 16.What is the HCF of 8 and 12?
  17. 17.Is 36/42 in its simplest form? (a) No (b) Yes
  18. 18.Is 2/7 in its simplest form? (a) No (b) Yes
  19. 19.What is the HCF of 6 and 36?
  20. 20.What is the HCF of 36 and 42?
  21. 21.What is the HCF of 4 and 12?
  22. 22.Write 9/90 in its simplest form. =
  23. 23.Write 20/36 in its simplest form. =
  24. 24.Write 2/8 in its simplest form. =
  25. 25.What is the HCF of 42 and 48?
  26. 26.Is 15/25 in its simplest form? (a) Yes (b) No
  27. 27.Is 7/10 in its simplest form? (a) No (b) Yes
  28. 28.Write 2/14 in its simplest form. =
  29. 29.What is the HCF of 8 and 24?
  30. 30.Is 42/54 in its simplest form? (a) Yes (b) No
  31. 31.Write 21/24 in its simplest form. =
  32. 32.Is 6/16 in its simplest form? (a) No (b) Yes
  33. 33.What is the HCF of 7 and 14?
  34. 34.What is the HCF of 45 and 81?
  35. 35.Write 15/18 in its simplest form. =
  36. 36.What is the HCF of 20 and 28?
  37. 37.What is the HCF of 18 and 20?
  38. 38.What is the HCF of 2 and 10?
  39. 39.What is the HCF of 12 and 42?
  40. 40.What is the HCF of 27 and 36?

Answer key

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

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