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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 881 · 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 63 and 90?
  2. 2.Write 6/24 in its simplest form. =
  3. 3.Write 48/54 in its simplest form. =
  4. 4.Is 5/8 in its simplest form? (a) No (b) Yes
  5. 5.What is the HCF of 9 and 54?
  6. 6.What is the HCF of 32 and 36?
  7. 7.What is the HCF of 56 and 63?
  8. 8.Write 16/36 in its simplest form. =
  9. 9.What is the HCF of 2 and 10?
  10. 10.Write 6/15 in its simplest form. =
  11. 11.What is the HCF of 6 and 12?
  12. 12.Write 9/63 in its simplest form. =
  13. 13.What is the HCF of 27 and 63?
  14. 14.Write 7/63 in its simplest form. =
  15. 15.Write 18/27 in its simplest form. =
  16. 16.Write 24/64 in its simplest form. =
  17. 17.Is 2/14 in its simplest form? (a) Yes (b) No
  18. 18.Is 6/27 in its simplest form? (a) Yes (b) No
  19. 19.Is 20/25 in its simplest form? (a) Yes (b) No
  20. 20.Is 2/6 in its simplest form? (a) Yes (b) No
  21. 21.Write 4/14 in its simplest form. =
  22. 22.Is 12/14 in its simplest form? (a) Yes (b) No
  23. 23.Is 1/6 in its simplest form? (a) Yes (b) No
  24. 24.Write 24/30 in its simplest form. =
  25. 25.Write 12/21 in its simplest form. =
  26. 26.What is the HCF of 16 and 18?
  27. 27.What is the HCF of 10 and 16?
  28. 28.What is the HCF of 35 and 40?
  29. 29.Write 16/56 in its simplest form. =
  30. 30.What is the HCF of 54 and 63?
  31. 31.Write 12/40 in its simplest form. =
  32. 32.Is 1/3 in its simplest form? (a) No (b) Yes
  33. 33.Is 1/7 in its simplest form? (a) Yes (b) No
  34. 34.Is 36/42 in its simplest form? (a) Yes (b) No
  35. 35.Write 24/40 in its simplest form. =
  36. 36.Write 36/40 in its simplest form. =
  37. 37.What is the HCF of 8 and 24?
  38. 38.Write 5/25 in its simplest form. =
  39. 39.Is 20/35 in its simplest form? (a) Yes (b) No
  40. 40.Is 1/9 in its simplest form? (a) Yes (b) No

Answer key

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

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