Simplest Form of
18/81

Given Fraction:  
18/81

Determine the Greatest Common Factor of the numerator and denominator:
Greatest Common Factor of 18 and 81 equals 9, GCF(18, 81) = 9
Divide the numerator and denominator by the GCF:
18/81
=
18 ÷ 9/81 ÷ 9
=
2/9
 (1 is the only factor common to 2 and 9)
Therefore,  
18/81
is equal to
2/9
in Simplest Form:  
18/81
=
2/9

The solution above and other related solutions were provided by the Fractions in Simplest Form Application.