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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 496 · 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 2/12 in its simplest form? (a) No (b) Yes
  2. 2.Write 21/49 in its simplest form. =
  3. 3.Write 8/10 in its simplest form. =
  4. 4.What is the HCF of 7 and 56?
  5. 5.Is 1/4 in its simplest form? (a) Yes (b) No
  6. 6.Write 8/80 in its simplest form. =
  7. 7.What is the HCF of 7 and 28?
  8. 8.Write 63/90 in its simplest form. =
  9. 9.Write 14/35 in its simplest form. =
  10. 10.Is 4/10 in its simplest form? (a) Yes (b) No
  11. 11.Write 6/9 in its simplest form. =
  12. 12.What is the HCF of 6 and 21?
  13. 13.Is 42/54 in its simplest form? (a) Yes (b) No
  14. 14.Is 7/8 in its simplest form? (a) Yes (b) No
  15. 15.Is 20/28 in its simplest form? (a) Yes (b) No
  16. 16.Write 36/63 in its simplest form. =
  17. 17.What is the HCF of 18 and 45?
  18. 18.Write 14/18 in its simplest form. =
  19. 19.Is 21/24 in its simplest form? (a) No (b) Yes
  20. 20.Write 9/21 in its simplest form. =
  21. 21.What is the HCF of 3 and 27?
  22. 22.Write 18/30 in its simplest form. =
  23. 23.What is the HCF of 8 and 18?
  24. 24.Write 16/20 in its simplest form. =
  25. 25.What is the HCF of 35 and 50?
  26. 26.Write 30/42 in its simplest form. =
  27. 27.Write 16/56 in its simplest form. =
  28. 28.What is the HCF of 9 and 24?
  29. 29.Write 45/81 in its simplest form. =
  30. 30.Write 4/16 in its simplest form. =
  31. 31.Is 5/9 in its simplest form? (a) No (b) Yes
  32. 32.Is 20/24 in its simplest form? (a) No (b) Yes
  33. 33.What is the HCF of 8 and 56?
  34. 34.What is the HCF of 6 and 30?
  35. 35.Is 3/7 in its simplest form? (a) Yes (b) No
  36. 36.Write 49/70 in its simplest form. =
  37. 37.Write 12/30 in its simplest form. =
  38. 38.Is 2/3 in its simplest form? (a) Yes (b) No
  39. 39.Write 9/30 in its simplest form. =
  40. 40.What is the HCF of 14 and 18?

Answer key

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

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