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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 954 · 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 4/36 in its simplest form? (a) Yes (b) No
  2. 2.Write 14/21 in its simplest form. =
  3. 3.Write 14/20 in its simplest form. =
  4. 4.Write 21/35 in its simplest form. =
  5. 5.What is the HCF of 32 and 40?
  6. 6.Write 63/81 in its simplest form. =
  7. 7.Is 8/28 in its simplest form? (a) No (b) Yes
  8. 8.What is the HCF of 3 and 12?
  9. 9.What is the HCF of 21 and 35?
  10. 10.Is 3/8 in its simplest form? (a) No (b) Yes
  11. 11.Write 7/56 in its simplest form. =
  12. 12.Write 10/18 in its simplest form. =
  13. 13.Is 14/16 in its simplest form? (a) Yes (b) No
  14. 14.Write 7/42 in its simplest form. =
  15. 15.What is the HCF of 5 and 40?
  16. 16.Is 48/54 in its simplest form? (a) Yes (b) No
  17. 17.Is 3/18 in its simplest form? (a) No (b) Yes
  18. 18.Write 9/36 in its simplest form. =
  19. 19.What is the HCF of 6 and 27?
  20. 20.Is 1/7 in its simplest form? (a) No (b) Yes
  21. 21.What is the HCF of 12 and 20?
  22. 22.Write 12/14 in its simplest form. =
  23. 23.Write 32/72 in its simplest form. =
  24. 24.What is the HCF of 48 and 56?
  25. 25.Write 20/32 in its simplest form. =
  26. 26.Write 35/50 in its simplest form. =
  27. 27.What is the HCF of 8 and 16?
  28. 28.Is 1/3 in its simplest form? (a) Yes (b) No
  29. 29.Is 6/18 in its simplest form? (a) No (b) Yes
  30. 30.Is 42/54 in its simplest form? (a) Yes (b) No
  31. 31.Write 3/24 in its simplest form. =
  32. 32.Is 5/7 in its simplest form? (a) No (b) Yes
  33. 33.What is the HCF of 27 and 45?
  34. 34.Is 6/12 in its simplest form? (a) No (b) Yes
  35. 35.What is the HCF of 6 and 16?
  36. 36.Write 49/56 in its simplest form. =
  37. 37.Write 3/21 in its simplest form. =
  38. 38.Is 3/7 in its simplest form? (a) No (b) Yes
  39. 39.What is the HCF of 15 and 50?
  40. 40.Write 16/24 in its simplest form. =

Answer key

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

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