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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 511 · 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 3/18 in its simplest form? (a) No (b) Yes
  2. 2.What is the HCF of 2 and 18?
  3. 3.Write 4/10 in its simplest form. =
  4. 4.Write 27/45 in its simplest form. =
  5. 5.Is 9/12 in its simplest form? (a) Yes (b) No
  6. 6.What is the HCF of 56 and 63?
  7. 7.Write 42/49 in its simplest form. =
  8. 8.Is 20/24 in its simplest form? (a) No (b) Yes
  9. 9.Write 24/64 in its simplest form. =
  10. 10.Is 3/24 in its simplest form? (a) Yes (b) No
  11. 11.Write 8/16 in its simplest form. =
  12. 12.Write 14/20 in its simplest form. =
  13. 13.Write 35/63 in its simplest form. =
  14. 14.What is the HCF of 8 and 14?
  15. 15.What is the HCF of 10 and 14?
  16. 16.Write 2/8 in its simplest form. =
  17. 17.Write 4/8 in its simplest form. =
  18. 18.Is 42/48 in its simplest form? (a) No (b) Yes
  19. 19.What is the HCF of 30 and 35?
  20. 20.Write 3/18 in its simplest form. =
  21. 21.Write 63/70 in its simplest form. =
  22. 22.What is the HCF of 10 and 15?
  23. 23.Write 15/50 in its simplest form. =
  24. 24.What is the HCF of 6 and 20?
  25. 25.Is 8/9 in its simplest form? (a) Yes (b) No
  26. 26.What is the HCF of 14 and 18?
  27. 27.What is the HCF of 30 and 54?
  28. 28.Is 6/30 in its simplest form? (a) Yes (b) No
  29. 29.What is the HCF of 20 and 32?
  30. 30.Write 12/16 in its simplest form. =
  31. 31.Write 56/72 in its simplest form. =
  32. 32.What is the HCF of 63 and 70?
  33. 33.What is the HCF of 42 and 60?
  34. 34.Write 25/30 in its simplest form. =
  35. 35.Write 4/12 in its simplest form. =
  36. 36.What is the HCF of 5 and 40?
  37. 37.Write 6/8 in its simplest form. =
  38. 38.Write 21/24 in its simplest form. =
  39. 39.What is the HCF of 18 and 27?
  40. 40.Is 18/24 in its simplest form? (a) No (b) Yes

Answer key

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

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