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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 282 · 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 36 and 63?
  2. 2.Is 1/4 in its simplest form? (a) No (b) Yes
  3. 3.Write 32/40 in its simplest form. =
  4. 4.Is 2/20 in its simplest form? (a) Yes (b) No
  5. 5.Is 12/32 in its simplest form? (a) No (b) Yes
  6. 6.Write 54/63 in its simplest form. =
  7. 7.Is 2/8 in its simplest form? (a) No (b) Yes
  8. 8.Write 3/24 in its simplest form. =
  9. 9.Is 2/5 in its simplest form? (a) No (b) Yes
  10. 10.Is 4/6 in its simplest form? (a) No (b) Yes
  11. 11.Write 12/16 in its simplest form. =
  12. 12.Write 27/90 in its simplest form. =
  13. 13.Write 10/35 in its simplest form. =
  14. 14.Write 12/15 in its simplest form. =
  15. 15.Is 2/7 in its simplest form? (a) Yes (b) No
  16. 16.What is the HCF of 28 and 36?
  17. 17.Is 30/48 in its simplest form? (a) No (b) Yes
  18. 18.Is 1/3 in its simplest form? (a) Yes (b) No
  19. 19.What is the HCF of 10 and 16?
  20. 20.Write 6/36 in its simplest form. =
  21. 21.Write 9/72 in its simplest form. =
  22. 22.Write 21/30 in its simplest form. =
  23. 23.What is the HCF of 7 and 42?
  24. 24.Is 12/54 in its simplest form? (a) No (b) Yes
  25. 25.Is 10/18 in its simplest form? (a) No (b) Yes
  26. 26.Write 18/20 in its simplest form. =
  27. 27.Write 12/18 in its simplest form. =
  28. 28.Is 35/40 in its simplest form? (a) No (b) Yes
  29. 29.Is 5/7 in its simplest form? (a) Yes (b) No
  30. 30.What is the HCF of 14 and 16?
  31. 31.Write 40/48 in its simplest form. =
  32. 32.What is the HCF of 20 and 35?
  33. 33.What is the HCF of 9 and 15?
  34. 34.Is 6/30 in its simplest form? (a) Yes (b) No
  35. 35.What is the HCF of 12 and 42?
  36. 36.Write 8/36 in its simplest form. =
  37. 37.What is the HCF of 36 and 45?
  38. 38.What is the HCF of 56 and 63?
  39. 39.What is the HCF of 18 and 27?
  40. 40.Write 3/6 in its simplest form. =

Answer key

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

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