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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 787 · 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.What is the HCF of 40 and 56?
  2. 2.Write 5/15 in its simplest form. =
  3. 3.Is 4/5 in its simplest form? (a) No (b) Yes
  4. 4.Write 24/54 in its simplest form. =
  5. 5.What is the HCF of 4 and 32?
  6. 6.Is 6/18 in its simplest form? (a) Yes (b) No
  7. 7.Is 2/10 in its simplest form? (a) No (b) Yes
  8. 8.Write 3/24 in its simplest form. =
  9. 9.What is the HCF of 14 and 35?
  10. 10.Is 10/16 in its simplest form? (a) No (b) Yes
  11. 11.Write 9/21 in its simplest form. =
  12. 12.What is the HCF of 6 and 54?
  13. 13.Write 6/20 in its simplest form. =
  14. 14.What is the HCF of 8 and 64?
  15. 15.Write 16/20 in its simplest form. =
  16. 16.What is the HCF of 6 and 42?
  17. 17.Write 45/72 in its simplest form. =
  18. 18.What is the HCF of 6 and 10?
  19. 19.Is 1/4 in its simplest form? (a) No (b) Yes
  20. 20.What is the HCF of 24 and 56?
  21. 21.Write 27/45 in its simplest form. =
  22. 22.What is the HCF of 3 and 6?
  23. 23.What is the HCF of 8 and 32?
  24. 24.What is the HCF of 9 and 90?
  25. 25.Write 12/54 in its simplest form. =
  26. 26.Write 14/21 in its simplest form. =
  27. 27.Is 7/9 in its simplest form? (a) No (b) Yes
  28. 28.Is 18/48 in its simplest form? (a) Yes (b) No
  29. 29.What is the HCF of 10 and 16?
  30. 30.Is 9/10 in its simplest form? (a) No (b) Yes
  31. 31.What is the HCF of 49 and 56?
  32. 32.What is the HCF of 27 and 30?
  33. 33.What is the HCF of 5 and 35?
  34. 34.Write 28/63 in its simplest form. =
  35. 35.Is 7/8 in its simplest form? (a) No (b) Yes
  36. 36.Is 14/16 in its simplest form? (a) No (b) Yes
  37. 37.Is 25/35 in its simplest form? (a) Yes (b) No
  38. 38.What is the HCF of 5 and 45?
  39. 39.Write 4/10 in its simplest form. =
  40. 40.What is the HCF of 30 and 35?

Answer key

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

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