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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 127 · 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 14 and 35?
  2. 2.What is the HCF of 18 and 20?
  3. 3.Is 3/27 in its simplest form? (a) No (b) Yes
  4. 4.Write 24/40 in its simplest form. =
  5. 5.What is the HCF of 6 and 24?
  6. 6.What is the HCF of 24 and 40?
  7. 7.Is 12/14 in its simplest form? (a) No (b) Yes
  8. 8.Write 6/10 in its simplest form. =
  9. 9.Is 18/42 in its simplest form? (a) No (b) Yes
  10. 10.What is the HCF of 4 and 10?
  11. 11.Is 2/10 in its simplest form? (a) No (b) Yes
  12. 12.What is the HCF of 2 and 4?
  13. 13.Write 25/30 in its simplest form. =
  14. 14.Is 6/8 in its simplest form? (a) Yes (b) No
  15. 15.What is the HCF of 14 and 16?
  16. 16.Write 42/60 in its simplest form. =
  17. 17.Is 3/5 in its simplest form? (a) Yes (b) No
  18. 18.What is the HCF of 3 and 18?
  19. 19.Is 18/48 in its simplest form? (a) Yes (b) No
  20. 20.Is 6/16 in its simplest form? (a) No (b) Yes
  21. 21.Is 5/7 in its simplest form? (a) No (b) Yes
  22. 22.What is the HCF of 10 and 25?
  23. 23.Write 28/35 in its simplest form. =
  24. 24.What is the HCF of 24 and 64?
  25. 25.What is the HCF of 6 and 14?
  26. 26.Write 4/6 in its simplest form. =
  27. 27.Is 8/14 in its simplest form? (a) No (b) Yes
  28. 28.What is the HCF of 56 and 64?
  29. 29.Write 10/15 in its simplest form. =
  30. 30.Is 6/20 in its simplest form? (a) No (b) Yes
  31. 31.Write 27/63 in its simplest form. =
  32. 32.Write 8/10 in its simplest form. =
  33. 33.What is the HCF of 24 and 32?
  34. 34.Write 72/80 in its simplest form. =
  35. 35.What is the HCF of 36 and 81?
  36. 36.Write 9/30 in its simplest form. =
  37. 37.Is 24/42 in its simplest form? (a) Yes (b) No
  38. 38.Is 21/30 in its simplest form? (a) Yes (b) No
  39. 39.Write 18/45 in its simplest form. =
  40. 40.Is 1/9 in its simplest form? (a) Yes (b) No

Answer key

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

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