Answer: D. 3/5
Step-by-step explanation:
[tex]\frac{4}{5}[/tex] - [tex]\frac{1}{5}[/tex]
In order to add or subtract fractions, you need to make sure they have a common denominator.
In this case, the denominator is the same therefore you just subtract the numerators while keeping the denominator.
[tex]\frac{4}{5} -\frac{1}{5} = \frac{3}{5}[/tex].
