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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 335 · 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 36/40 in its simplest form. =
  2. 2.Is 1/2 in its simplest form? (a) Yes (b) No
  3. 3.What is the HCF of 6 and 27?
  4. 4.Is 3/12 in its simplest form? (a) Yes (b) No
  5. 5.Is 7/8 in its simplest form? (a) No (b) Yes
  6. 6.What is the HCF of 45 and 50?
  7. 7.What is the HCF of 8 and 72?
  8. 8.What is the HCF of 20 and 35?
  9. 9.Is 3/5 in its simplest form? (a) No (b) Yes
  10. 10.Write 36/45 in its simplest form. =
  11. 11.What is the HCF of 24 and 64?
  12. 12.Write 6/21 in its simplest form. =
  13. 13.Is 3/15 in its simplest form? (a) No (b) Yes
  14. 14.What is the HCF of 8 and 10?
  15. 15.Write 24/42 in its simplest form. =
  16. 16.What is the HCF of 48 and 56?
  17. 17.Is 12/14 in its simplest form? (a) No (b) Yes
  18. 18.Is 4/14 in its simplest form? (a) No (b) Yes
  19. 19.What is the HCF of 6 and 42?
  20. 20.What is the HCF of 12 and 30?
  21. 21.Write 8/64 in its simplest form. =
  22. 22.Write 24/56 in its simplest form. =
  23. 23.What is the HCF of 5 and 50?
  24. 24.Write 3/21 in its simplest form. =
  25. 25.Write 8/18 in its simplest form. =
  26. 26.Is 21/24 in its simplest form? (a) No (b) Yes
  27. 27.Write 27/63 in its simplest form. =
  28. 28.What is the HCF of 8 and 24?
  29. 29.Write 27/30 in its simplest form. =
  30. 30.Write 35/56 in its simplest form. =
  31. 31.What is the HCF of 5 and 10?
  32. 32.Write 7/70 in its simplest form. =
  33. 33.Write 8/14 in its simplest form. =
  34. 34.Is 1/10 in its simplest form? (a) No (b) Yes
  35. 35.Is 15/25 in its simplest form? (a) Yes (b) No
  36. 36.Write 6/60 in its simplest form. =
  37. 37.Write 2/6 in its simplest form. =
  38. 38.What is the HCF of 16 and 20?
  39. 39.What is the HCF of 12 and 18?
  40. 40.What is the HCF of 4 and 12?

Answer key

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

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