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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 734 · 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 14/20 in its simplest form. =
  2. 2.What is the HCF of 3 and 27?
  3. 3.What is the HCF of 32 and 56?
  4. 4.Is 3/24 in its simplest form? (a) Yes (b) No
  5. 5.Write 21/56 in its simplest form. =
  6. 6.Write 9/27 in its simplest form. =
  7. 7.Write 10/35 in its simplest form. =
  8. 8.What is the HCF of 15 and 27?
  9. 9.Write 42/54 in its simplest form. =
  10. 10.Write 2/8 in its simplest form. =
  11. 11.Is 1/10 in its simplest form? (a) Yes (b) No
  12. 12.What is the HCF of 35 and 63?
  13. 13.What is the HCF of 8 and 16?
  14. 14.Write 9/24 in its simplest form. =
  15. 15.What is the HCF of 24 and 30?
  16. 16.Write 8/36 in its simplest form. =
  17. 17.Write 42/60 in its simplest form. =
  18. 18.Write 27/36 in its simplest form. =
  19. 19.Is 3/8 in its simplest form? (a) Yes (b) No
  20. 20.What is the HCF of 45 and 72?
  21. 21.What is the HCF of 9 and 54?
  22. 22.What is the HCF of 40 and 64?
  23. 23.What is the HCF of 9 and 30?
  24. 24.What is the HCF of 27 and 72?
  25. 25.What is the HCF of 9 and 63?
  26. 26.Write 21/28 in its simplest form. =
  27. 27.Write 27/72 in its simplest form. =
  28. 28.Is 25/40 in its simplest form? (a) No (b) Yes
  29. 29.What is the HCF of 16 and 36?
  30. 30.Is 5/6 in its simplest form? (a) No (b) Yes
  31. 31.Is 4/9 in its simplest form? (a) Yes (b) No
  32. 32.Write 7/35 in its simplest form. =
  33. 33.What is the HCF of 63 and 81?
  34. 34.What is the HCF of 35 and 45?
  35. 35.Is 7/10 in its simplest form? (a) No (b) Yes
  36. 36.Is 5/25 in its simplest form? (a) No (b) Yes
  37. 37.Is 3/10 in its simplest form? (a) Yes (b) No
  38. 38.What is the HCF of 25 and 35?
  39. 39.What is the HCF of 4 and 28?
  40. 40.Write 10/45 in its simplest form. =

Answer key

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

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