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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 359 · 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.Write 16/28 in its simplest form. =
  2. 2.What is the HCF of 12 and 54?
  3. 3.What is the HCF of 56 and 80?
  4. 4.Is 1/9 in its simplest form? (a) No (b) Yes
  5. 5.Write 16/40 in its simplest form. =
  6. 6.Is 1/5 in its simplest form? (a) Yes (b) No
  7. 7.Write 2/8 in its simplest form. =
  8. 8.Write 20/25 in its simplest form. =
  9. 9.What is the HCF of 12 and 27?
  10. 10.What is the HCF of 10 and 16?
  11. 11.Write 10/35 in its simplest form. =
  12. 12.Is 1/7 in its simplest form? (a) Yes (b) No
  13. 13.Write 5/45 in its simplest form. =
  14. 14.Is 4/28 in its simplest form? (a) No (b) Yes
  15. 15.What is the HCF of 14 and 21?
  16. 16.What is the HCF of 21 and 24?
  17. 17.Write 7/35 in its simplest form. =
  18. 18.Write 6/60 in its simplest form. =
  19. 19.Write 9/36 in its simplest form. =
  20. 20.Write 24/40 in its simplest form. =
  21. 21.Is 1/2 in its simplest form? (a) No (b) Yes
  22. 22.Write 24/64 in its simplest form. =
  23. 23.What is the HCF of 4 and 6?
  24. 24.What is the HCF of 12 and 15?
  25. 25.What is the HCF of 20 and 24?
  26. 26.Write 8/80 in its simplest form. =
  27. 27.What is the HCF of 4 and 12?
  28. 28.Write 7/21 in its simplest form. =
  29. 29.Write 3/6 in its simplest form. =
  30. 30.Is 9/21 in its simplest form? (a) No (b) Yes
  31. 31.What is the HCF of 28 and 40?
  32. 32.What is the HCF of 9 and 72?
  33. 33.Write 35/50 in its simplest form. =
  34. 34.What is the HCF of 15 and 20?
  35. 35.Write 30/35 in its simplest form. =
  36. 36.Is 24/42 in its simplest form? (a) No (b) Yes
  37. 37.What is the HCF of 10 and 35?
  38. 38.Is 2/9 in its simplest form? (a) No (b) Yes
  39. 39.Is 20/45 in its simplest form? (a) No (b) Yes
  40. 40.What is the HCF of 8 and 48?

Answer key

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

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