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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 112 · 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 1/7 in its simplest form? (a) No (b) Yes
  2. 2.Is 12/30 in its simplest form? (a) No (b) Yes
  3. 3.Is 6/15 in its simplest form? (a) Yes (b) No
  4. 4.Write 21/35 in its simplest form. =
  5. 5.What is the HCF of 25 and 30?
  6. 6.Is 54/60 in its simplest form? (a) No (b) Yes
  7. 7.What is the HCF of 3 and 24?
  8. 8.Is 4/18 in its simplest form? (a) Yes (b) No
  9. 9.Write 42/48 in its simplest form. =
  10. 10.Write 12/32 in its simplest form. =
  11. 11.Is 2/14 in its simplest form? (a) Yes (b) No
  12. 12.What is the HCF of 16 and 18?
  13. 13.Is 1/8 in its simplest form? (a) No (b) Yes
  14. 14.Write 27/36 in its simplest form. =
  15. 15.Write 36/42 in its simplest form. =
  16. 16.What is the HCF of 36 and 42?
  17. 17.Is 20/24 in its simplest form? (a) Yes (b) No
  18. 18.What is the HCF of 10 and 15?
  19. 19.Write 12/20 in its simplest form. =
  20. 20.What is the HCF of 27 and 36?
  21. 21.Is 6/9 in its simplest form? (a) No (b) Yes
  22. 22.What is the HCF of 30 and 35?
  23. 23.Is 3/21 in its simplest form? (a) Yes (b) No
  24. 24.Is 8/28 in its simplest form? (a) Yes (b) No
  25. 25.What is the HCF of 12 and 14?
  26. 26.What is the HCF of 2 and 4?
  27. 27.Is 6/8 in its simplest form? (a) No (b) Yes
  28. 28.Is 5/20 in its simplest form? (a) No (b) Yes
  29. 29.Is 7/8 in its simplest form? (a) No (b) Yes
  30. 30.Is 2/9 in its simplest form? (a) Yes (b) No
  31. 31.What is the HCF of 35 and 42?
  32. 32.Write 10/12 in its simplest form. =
  33. 33.Write 6/48 in its simplest form. =
  34. 34.Write 12/30 in its simplest form. =
  35. 35.Write 7/35 in its simplest form. =
  36. 36.Is 36/42 in its simplest form? (a) Yes (b) No
  37. 37.Is 1/4 in its simplest form? (a) Yes (b) No
  38. 38.Is 10/25 in its simplest form? (a) No (b) Yes
  39. 39.Write 24/42 in its simplest form. =
  40. 40.Write 16/36 in its simplest form. =

Answer key

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

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