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 5 and 15?
- 2.Write 12/20 in its simplest form. =
- 3.Write 2/10 in its simplest form. =
- 4.Is 4/12 in its simplest form? (a) No (b) Yes
- 5.What is the HCF of 4 and 28?
- 6.What is the HCF of 24 and 54?
- 7.Is 25/30 in its simplest form? (a) No (b) Yes
- 8.Write 16/28 in its simplest form. =
- 9.Write 4/14 in its simplest form. =
- 10.What is the HCF of 2 and 4?
- 11.Write 12/18 in its simplest form. =
- 12.Write 5/15 in its simplest form. =
- 13.Is 10/16 in its simplest form? (a) No (b) Yes
- 14.Write 25/35 in its simplest form. =
- 15.Write 24/27 in its simplest form. =
- 16.Is 7/9 in its simplest form? (a) No (b) Yes
- 17.Write 24/42 in its simplest form. =
- 18.What is the HCF of 20 and 45?
- 19.What is the HCF of 20 and 24?
- 20.What is the HCF of 5 and 10?
- 21.What is the HCF of 9 and 90?
- 22.Write 6/21 in its simplest form. =
- 23.Write 21/28 in its simplest form. =
- 24.What is the HCF of 15 and 21?
- 25.What is the HCF of 42 and 54?
- 26.What is the HCF of 6 and 24?
- 27.Is 9/10 in its simplest form? (a) No (b) Yes
- 28.Is 4/24 in its simplest form? (a) Yes (b) No
- 29.Write 15/25 in its simplest form. =
- 30.Write 18/63 in its simplest form. =
- 31.Write 45/54 in its simplest form. =
- 32.What is the HCF of 7 and 21?
- 33.Write 27/45 in its simplest form. =
- 34.Write 24/56 in its simplest form. =
- 35.Is 5/15 in its simplest form? (a) No (b) Yes
- 36.Is 5/40 in its simplest form? (a) Yes (b) No
- 37.Is 3/24 in its simplest form? (a) Yes (b) No
- 38.Write 5/25 in its simplest form. =
- 39.What is the HCF of 3 and 6?
- 40.What is the HCF of 7 and 63?
Answer key
- 5
- 3/5
- 1/5
- No
- 4
- 6
- No
- 4/7
- 2/7
- 2
- 2/3
- 1/3
- No
- 5/7
- 8/9
- Yes
- 4/7
- 5
- 4
- 5
- 9
- 2/7
- 3/4
- 3
- 6
- 6
- Yes
- No
- 3/5
- 2/7
- 5/6
- 7
- 3/5
- 3/7
- No
- No
- No
- 1/5
- 3
- 7
Free fractions lessons, practice and worksheets at talentjr.in/fractions-for-kids