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.Write 10/35 in its simplest form. =
- 2.Is 42/48 in its simplest form? (a) No (b) Yes
- 3.Write 9/18 in its simplest form. =
- 4.What is the HCF of 5 and 25?
- 5.Write 63/72 in its simplest form. =
- 6.What is the HCF of 15 and 20?
- 7.What is the HCF of 15 and 21?
- 8.Write 12/20 in its simplest form. =
- 9.Is 4/9 in its simplest form? (a) Yes (b) No
- 10.What is the HCF of 25 and 40?
- 11.Write 14/35 in its simplest form. =
- 12.What is the HCF of 36 and 40?
- 13.What is the HCF of 21 and 56?
- 14.Write 56/80 in its simplest form. =
- 15.What is the HCF of 21 and 35?
- 16.What is the HCF of 14 and 63?
- 17.What is the HCF of 6 and 16?
- 18.What is the HCF of 24 and 42?
- 19.What is the HCF of 40 and 64?
- 20.Is 6/36 in its simplest form? (a) No (b) Yes
- 21.Is 1/5 in its simplest form? (a) No (b) Yes
- 22.What is the HCF of 35 and 63?
- 23.Write 45/81 in its simplest form. =
- 24.Write 40/45 in its simplest form. =
- 25.Write 5/20 in its simplest form. =
- 26.Is 18/20 in its simplest form? (a) Yes (b) No
- 27.Is 9/24 in its simplest form? (a) Yes (b) No
- 28.Write 2/4 in its simplest form. =
- 29.Is 20/45 in its simplest form? (a) No (b) Yes
- 30.Is 12/18 in its simplest form? (a) Yes (b) No
- 31.Write 6/12 in its simplest form. =
- 32.What is the HCF of 2 and 16?
- 33.What is the HCF of 2 and 20?
- 34.Write 6/36 in its simplest form. =
- 35.What is the HCF of 3 and 30?
- 36.Write 8/20 in its simplest form. =
- 37.Is 2/10 in its simplest form? (a) Yes (b) No
- 38.Write 21/24 in its simplest form. =
- 39.Write 21/56 in its simplest form. =
- 40.Write 36/40 in its simplest form. =
Answer key
- 2/7
- No
- 1/2
- 5
- 7/8
- 5
- 3
- 3/5
- Yes
- 5
- 2/5
- 4
- 7
- 7/10
- 7
- 7
- 2
- 6
- 8
- No
- Yes
- 7
- 5/9
- 8/9
- 1/4
- No
- No
- 1/2
- No
- No
- 1/2
- 2
- 2
- 1/6
- 3
- 2/5
- No
- 7/8
- 3/8
- 9/10
Free fractions lessons, practice and worksheets at talentjr.in/fractions-for-kids