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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 751 · 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 10 and 25?
  2. 2.Is 10/16 in its simplest form? (a) Yes (b) No
  3. 3.Is 1/9 in its simplest form? (a) Yes (b) No
  4. 4.Write 24/64 in its simplest form. =
  5. 5.Is 9/21 in its simplest form? (a) No (b) Yes
  6. 6.Write 15/50 in its simplest form. =
  7. 7.What is the HCF of 4 and 18?
  8. 8.Write 3/27 in its simplest form. =
  9. 9.Is 3/10 in its simplest form? (a) No (b) Yes
  10. 10.Write 21/27 in its simplest form. =
  11. 11.What is the HCF of 63 and 90?
  12. 12.What is the HCF of 2 and 16?
  13. 13.What is the HCF of 36 and 42?
  14. 14.What is the HCF of 7 and 14?
  15. 15.What is the HCF of 8 and 48?
  16. 16.Write 9/27 in its simplest form. =
  17. 17.Write 40/45 in its simplest form. =
  18. 18.Write 6/48 in its simplest form. =
  19. 19.Is 14/18 in its simplest form? (a) Yes (b) No
  20. 20.What is the HCF of 42 and 60?
  21. 21.Write 14/21 in its simplest form. =
  22. 22.What is the HCF of 5 and 35?
  23. 23.Is 3/4 in its simplest form? (a) No (b) Yes
  24. 24.What is the HCF of 12 and 32?
  25. 25.Write 15/24 in its simplest form. =
  26. 26.What is the HCF of 6 and 60?
  27. 27.Write 10/45 in its simplest form. =
  28. 28.Is 2/5 in its simplest form? (a) No (b) Yes
  29. 29.Write 5/40 in its simplest form. =
  30. 30.Write 21/24 in its simplest form. =
  31. 31.Write 24/28 in its simplest form. =
  32. 32.Is 3/5 in its simplest form? (a) No (b) Yes
  33. 33.What is the HCF of 8 and 56?
  34. 34.Write 56/80 in its simplest form. =
  35. 35.Is 6/27 in its simplest form? (a) No (b) Yes
  36. 36.Is 1/5 in its simplest form? (a) No (b) Yes
  37. 37.What is the HCF of 30 and 36?
  38. 38.Is 1/4 in its simplest form? (a) Yes (b) No
  39. 39.Is 3/7 in its simplest form? (a) No (b) Yes
  40. 40.Write 14/20 in its simplest form. =

Answer key

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

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