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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 432 · 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 5 and 25?
  2. 2.Write 35/63 in its simplest form. =
  3. 3.Write 27/45 in its simplest form. =
  4. 4.Is 5/8 in its simplest form? (a) Yes (b) No
  5. 5.What is the HCF of 14 and 63?
  6. 6.Write 4/24 in its simplest form. =
  7. 7.Is 3/27 in its simplest form? (a) No (b) Yes
  8. 8.What is the HCF of 3 and 18?
  9. 9.Is 18/30 in its simplest form? (a) No (b) Yes
  10. 10.Is 1/10 in its simplest form? (a) Yes (b) No
  11. 11.Is 8/12 in its simplest form? (a) No (b) Yes
  12. 12.Is 5/25 in its simplest form? (a) Yes (b) No
  13. 13.Is 8/9 in its simplest form? (a) No (b) Yes
  14. 14.What is the HCF of 16 and 56?
  15. 15.What is the HCF of 6 and 27?
  16. 16.Is 3/7 in its simplest form? (a) Yes (b) No
  17. 17.Write 20/32 in its simplest form. =
  18. 18.Is 6/18 in its simplest form? (a) Yes (b) No
  19. 19.What is the HCF of 14 and 16?
  20. 20.What is the HCF of 12 and 16?
  21. 21.Write 56/64 in its simplest form. =
  22. 22.Write 2/10 in its simplest form. =
  23. 23.What is the HCF of 8 and 72?
  24. 24.Is 18/60 in its simplest form? (a) Yes (b) No
  25. 25.Write 6/27 in its simplest form. =
  26. 26.Write 42/60 in its simplest form. =
  27. 27.Write 12/54 in its simplest form. =
  28. 28.What is the HCF of 8 and 32?
  29. 29.Write 36/42 in its simplest form. =
  30. 30.Write 6/14 in its simplest form. =
  31. 31.Write 9/30 in its simplest form. =
  32. 32.Write 6/10 in its simplest form. =
  33. 33.Is 7/9 in its simplest form? (a) Yes (b) No
  34. 34.What is the HCF of 2 and 8?
  35. 35.What is the HCF of 21 and 27?
  36. 36.What is the HCF of 4 and 16?
  37. 37.Is 12/28 in its simplest form? (a) No (b) Yes
  38. 38.Is 20/25 in its simplest form? (a) No (b) Yes
  39. 39.What is the HCF of 2 and 6?
  40. 40.Write 2/20 in its simplest form. =

Answer key

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

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