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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 536 · 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 2/3 in its simplest form? (a) Yes (b) No
  2. 2.Is 5/40 in its simplest form? (a) Yes (b) No
  3. 3.Write 15/35 in its simplest form. =
  4. 4.Write 5/25 in its simplest form. =
  5. 5.What is the HCF of 15 and 40?
  6. 6.Write 2/4 in its simplest form. =
  7. 7.What is the HCF of 2 and 6?
  8. 8.What is the HCF of 5 and 20?
  9. 9.Is 16/28 in its simplest form? (a) Yes (b) No
  10. 10.Is 4/36 in its simplest form? (a) Yes (b) No
  11. 11.What is the HCF of 63 and 72?
  12. 12.Is 5/25 in its simplest form? (a) Yes (b) No
  13. 13.Is 1/8 in its simplest form? (a) Yes (b) No
  14. 14.What is the HCF of 14 and 18?
  15. 15.Write 49/63 in its simplest form. =
  16. 16.Write 6/27 in its simplest form. =
  17. 17.Write 30/35 in its simplest form. =
  18. 18.Write 14/35 in its simplest form. =
  19. 19.What is the HCF of 35 and 56?
  20. 20.Write 35/40 in its simplest form. =
  21. 21.What is the HCF of 16 and 28?
  22. 22.Is 2/16 in its simplest form? (a) No (b) Yes
  23. 23.What is the HCF of 18 and 24?
  24. 24.Is 15/40 in its simplest form? (a) No (b) Yes
  25. 25.Write 45/63 in its simplest form. =
  26. 26.Is 7/9 in its simplest form? (a) No (b) Yes
  27. 27.Write 21/27 in its simplest form. =
  28. 28.Write 4/28 in its simplest form. =
  29. 29.Write 2/12 in its simplest form. =
  30. 30.Is 28/32 in its simplest form? (a) Yes (b) No
  31. 31.Write 40/64 in its simplest form. =
  32. 32.Is 12/16 in its simplest form? (a) No (b) Yes
  33. 33.Write 28/35 in its simplest form. =
  34. 34.What is the HCF of 20 and 36?
  35. 35.Write 3/18 in its simplest form. =
  36. 36.Is 3/9 in its simplest form? (a) Yes (b) No
  37. 37.Write 8/32 in its simplest form. =
  38. 38.Is 54/60 in its simplest form? (a) Yes (b) No
  39. 39.What is the HCF of 45 and 50?
  40. 40.Is 3/8 in its simplest form? (a) Yes (b) No

Answer key

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

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