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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 283 · 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.What is the HCF of 24 and 42?
  2. 2.Is 40/45 in its simplest form? (a) Yes (b) No
  3. 3.Write 27/90 in its simplest form. =
  4. 4.Write 4/14 in its simplest form. =
  5. 5.Write 2/10 in its simplest form. =
  6. 6.Write 6/48 in its simplest form. =
  7. 7.Write 10/16 in its simplest form. =
  8. 8.Is 2/5 in its simplest form? (a) No (b) Yes
  9. 9.Is 1/2 in its simplest form? (a) Yes (b) No
  10. 10.What is the HCF of 12 and 28?
  11. 11.Write 4/24 in its simplest form. =
  12. 12.Write 27/36 in its simplest form. =
  13. 13.Write 4/6 in its simplest form. =
  14. 14.What is the HCF of 16 and 18?
  15. 15.What is the HCF of 5 and 35?
  16. 16.Write 3/15 in its simplest form. =
  17. 17.Write 8/40 in its simplest form. =
  18. 18.Is 4/7 in its simplest form? (a) Yes (b) No
  19. 19.Is 12/27 in its simplest form? (a) No (b) Yes
  20. 20.Is 3/5 in its simplest form? (a) No (b) Yes
  21. 21.Write 48/56 in its simplest form. =
  22. 22.What is the HCF of 2 and 6?
  23. 23.Is 1/6 in its simplest form? (a) No (b) Yes
  24. 24.Write 7/14 in its simplest form. =
  25. 25.Is 8/18 in its simplest form? (a) Yes (b) No
  26. 26.Write 15/20 in its simplest form. =
  27. 27.Is 1/4 in its simplest form? (a) No (b) Yes
  28. 28.What is the HCF of 32 and 56?
  29. 29.What is the HCF of 4 and 6?
  30. 30.Write 42/54 in its simplest form. =
  31. 31.What is the HCF of 15 and 25?
  32. 32.What is the HCF of 10 and 14?
  33. 33.Write 10/15 in its simplest form. =
  34. 34.Is 42/48 in its simplest form? (a) Yes (b) No
  35. 35.Is 16/28 in its simplest form? (a) No (b) Yes
  36. 36.Is 30/35 in its simplest form? (a) No (b) Yes
  37. 37.Write 20/24 in its simplest form. =
  38. 38.What is the HCF of 8 and 16?
  39. 39.What is the HCF of 6 and 16?
  40. 40.Write 36/63 in its simplest form. =

Answer key

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

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