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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 654 · 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.Is 1/2 in its simplest form? (a) Yes (b) No
  2. 2.Is 6/15 in its simplest form? (a) Yes (b) No
  3. 3.What is the HCF of 63 and 70?
  4. 4.What is the HCF of 35 and 63?
  5. 5.What is the HCF of 36 and 40?
  6. 6.Write 7/70 in its simplest form. =
  7. 7.Is 3/5 in its simplest form? (a) Yes (b) No
  8. 8.What is the HCF of 24 and 54?
  9. 9.Is 6/10 in its simplest form? (a) No (b) Yes
  10. 10.Is 6/16 in its simplest form? (a) No (b) Yes
  11. 11.Is 4/9 in its simplest form? (a) Yes (b) No
  12. 12.What is the HCF of 8 and 14?
  13. 13.Write 40/64 in its simplest form. =
  14. 14.What is the HCF of 3 and 12?
  15. 15.Write 35/42 in its simplest form. =
  16. 16.Write 3/18 in its simplest form. =
  17. 17.What is the HCF of 24 and 64?
  18. 18.Write 35/56 in its simplest form. =
  19. 19.Write 36/81 in its simplest form. =
  20. 20.Is 18/24 in its simplest form? (a) No (b) Yes
  21. 21.Write 3/12 in its simplest form. =
  22. 22.Is 5/9 in its simplest form? (a) Yes (b) No
  23. 23.Write 18/24 in its simplest form. =
  24. 24.Write 15/25 in its simplest form. =
  25. 25.Write 6/8 in its simplest form. =
  26. 26.What is the HCF of 4 and 40?
  27. 27.What is the HCF of 18 and 42?
  28. 28.Write 56/64 in its simplest form. =
  29. 29.Write 4/40 in its simplest form. =
  30. 30.Is 4/7 in its simplest form? (a) No (b) Yes
  31. 31.Is 18/48 in its simplest form? (a) No (b) Yes
  32. 32.Write 20/35 in its simplest form. =
  33. 33.Write 4/32 in its simplest form. =
  34. 34.Write 10/15 in its simplest form. =
  35. 35.Is 5/6 in its simplest form? (a) Yes (b) No
  36. 36.Write 32/72 in its simplest form. =
  37. 37.Write 27/63 in its simplest form. =
  38. 38.What is the HCF of 4 and 24?
  39. 39.Is 14/16 in its simplest form? (a) No (b) Yes
  40. 40.Is 1/3 in its simplest form? (a) No (b) Yes

Answer key

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

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