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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 657 · 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 28/40 in its simplest form. =
  2. 2.Is 4/14 in its simplest form? (a) No (b) Yes
  3. 3.What is the HCF of 2 and 4?
  4. 4.What is the HCF of 15 and 25?
  5. 5.What is the HCF of 36 and 45?
  6. 6.What is the HCF of 56 and 63?
  7. 7.Write 12/15 in its simplest form. =
  8. 8.Write 3/21 in its simplest form. =
  9. 9.Is 35/45 in its simplest form? (a) Yes (b) No
  10. 10.Is 1/4 in its simplest form? (a) Yes (b) No
  11. 11.Is 6/7 in its simplest form? (a) Yes (b) No
  12. 12.Is 3/4 in its simplest form? (a) No (b) Yes
  13. 13.Write 20/32 in its simplest form. =
  14. 14.Write 20/28 in its simplest form. =
  15. 15.Write 6/30 in its simplest form. =
  16. 16.Write 18/30 in its simplest form. =
  17. 17.Write 15/25 in its simplest form. =
  18. 18.Is 8/12 in its simplest form? (a) Yes (b) No
  19. 19.What is the HCF of 8 and 14?
  20. 20.What is the HCF of 4 and 18?
  21. 21.Is 3/5 in its simplest form? (a) Yes (b) No
  22. 22.What is the HCF of 25 and 45?
  23. 23.Write 3/9 in its simplest form. =
  24. 24.Write 56/80 in its simplest form. =
  25. 25.What is the HCF of 35 and 45?
  26. 26.What is the HCF of 6 and 15?
  27. 27.Write 15/24 in its simplest form. =
  28. 28.Write 40/64 in its simplest form. =
  29. 29.Write 9/90 in its simplest form. =
  30. 30.Write 27/90 in its simplest form. =
  31. 31.Is 9/12 in its simplest form? (a) No (b) Yes
  32. 32.What is the HCF of 63 and 72?
  33. 33.What is the HCF of 10 and 25?
  34. 34.Write 2/4 in its simplest form. =
  35. 35.Write 6/12 in its simplest form. =
  36. 36.What is the HCF of 16 and 72?
  37. 37.Write 32/56 in its simplest form. =
  38. 38.What is the HCF of 16 and 36?
  39. 39.What is the HCF of 21 and 30?
  40. 40.Is 24/54 in its simplest form? (a) No (b) Yes

Answer key

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

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