Simplest Form Fractions Worksheet
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.What is the HCF of 30 and 54?
- 2.Write 27/72 in its simplest form. =
- 3.What is the HCF of 4 and 28?
- 4.What is the HCF of 18 and 27?
- 5.What is the HCF of 28 and 40?
- 6.What is the HCF of 12 and 16?
- 7.Is 3/10 in its simplest form? (a) No (b) Yes
- 8.Write 7/70 in its simplest form. =
- 9.What is the HCF of 5 and 40?
- 10.Write 14/16 in its simplest form. =
- 11.What is the HCF of 2 and 4?
- 12.Is 18/60 in its simplest form? (a) Yes (b) No
- 13.Is 8/9 in its simplest form? (a) Yes (b) No
- 14.Write 4/10 in its simplest form. =
- 15.Is 1/4 in its simplest form? (a) Yes (b) No
- 16.Is 20/45 in its simplest form? (a) Yes (b) No
- 17.Is 3/12 in its simplest form? (a) No (b) Yes
- 18.Write 8/32 in its simplest form. =
- 19.What is the HCF of 81 and 90?
- 20.Is 5/7 in its simplest form? (a) Yes (b) No
- 21.What is the HCF of 49 and 56?
- 22.Write 16/56 in its simplest form. =
- 23.Write 12/27 in its simplest form. =
- 24.What is the HCF of 20 and 28?
- 25.What is the HCF of 14 and 35?
- 26.Write 56/72 in its simplest form. =
- 27.Write 25/30 in its simplest form. =
- 28.What is the HCF of 25 and 35?
- 29.What is the HCF of 27 and 72?
- 30.What is the HCF of 6 and 10?
- 31.Write 18/45 in its simplest form. =
- 32.Is 6/21 in its simplest form? (a) No (b) Yes
- 33.Write 6/16 in its simplest form. =
- 34.What is the HCF of 2 and 10?
- 35.Write 40/56 in its simplest form. =
- 36.What is the HCF of 15 and 20?
- 37.Write 14/49 in its simplest form. =
- 38.What is the HCF of 4 and 10?
- 39.Write 6/24 in its simplest form. =
- 40.What is the HCF of 21 and 27?
Answer key
- 6
- 3/8
- 4
- 9
- 4
- 4
- Yes
- 1/10
- 5
- 7/8
- 2
- No
- Yes
- 2/5
- Yes
- No
- No
- 1/4
- 9
- Yes
- 7
- 2/7
- 4/9
- 4
- 7
- 7/9
- 5/6
- 5
- 9
- 2
- 2/5
- No
- 3/8
- 2
- 5/7
- 5
- 2/7
- 2
- 1/4
- 3
Free fractions lessons, practice and worksheets at talentjr.in/fractions-for-kids