1.8 as a fraction equals 18/10 or 9/5
Steps to convert 1.8 into a fraction.
Write 1.8 as 1.81
Multiply both the numerator and denominator by 10 for each digit after the decimal point.
1.81=1.8 x 101 x 10=1810
As a side note the whole number-integral part is: 1
The decimal part is: .8 = 8/10
Full simple fraction breakdown: 180/100
= 18/10
= 9/5