3.278 can be written in fraction form as [tex]\frac{3.278}{1000}[/tex]
The given number is 3.278
In order to write this number in fraction we need to remove the decimal first
So we write 1 in the place of decimal and the number of zeros according to the numbers followed by the number after decimal in the numerator. For example
[tex]\frac{3.278}{1000}[/tex]
