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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 622 · 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 28/40 in its simplest form? (a) No (b) Yes
  2. 2.What is the HCF of 20 and 28?
  3. 3.Is 6/10 in its simplest form? (a) Yes (b) No
  4. 4.Is 2/10 in its simplest form? (a) Yes (b) No
  5. 5.Is 10/14 in its simplest form? (a) No (b) Yes
  6. 6.What is the HCF of 2 and 18?
  7. 7.What is the HCF of 6 and 8?
  8. 8.Write 9/15 in its simplest form. =
  9. 9.Write 2/8 in its simplest form. =
  10. 10.Write 20/24 in its simplest form. =
  11. 11.Is 1/2 in its simplest form? (a) No (b) Yes
  12. 12.What is the HCF of 4 and 18?
  13. 13.Write 15/50 in its simplest form. =
  14. 14.Write 12/54 in its simplest form. =
  15. 15.What is the HCF of 6 and 60?
  16. 16.Is 18/48 in its simplest form? (a) Yes (b) No
  17. 17.What is the HCF of 7 and 49?
  18. 18.Is 4/7 in its simplest form? (a) Yes (b) No
  19. 19.Is 35/50 in its simplest form? (a) No (b) Yes
  20. 20.What is the HCF of 9 and 90?
  21. 21.Is 8/9 in its simplest form? (a) No (b) Yes
  22. 22.What is the HCF of 8 and 36?
  23. 23.Write 16/40 in its simplest form. =
  24. 24.What is the HCF of 56 and 63?
  25. 25.Is 1/10 in its simplest form? (a) No (b) Yes
  26. 26.What is the HCF of 8 and 24?
  27. 27.What is the HCF of 20 and 32?
  28. 28.What is the HCF of 3 and 12?
  29. 29.Is 8/10 in its simplest form? (a) No (b) Yes
  30. 30.Write 36/45 in its simplest form. =
  31. 31.Write 2/4 in its simplest form. =
  32. 32.Is 20/28 in its simplest form? (a) Yes (b) No
  33. 33.Is 5/8 in its simplest form? (a) No (b) Yes
  34. 34.Is 1/9 in its simplest form? (a) No (b) Yes
  35. 35.What is the HCF of 7 and 35?
  36. 36.What is the HCF of 4 and 24?
  37. 37.Is 7/9 in its simplest form? (a) Yes (b) No
  38. 38.Is 7/10 in its simplest form? (a) No (b) Yes
  39. 39.What is the HCF of 25 and 35?
  40. 40.Write 9/63 in its simplest form. =

Answer key

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

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