The decimal fraction given in the question is
[tex]=0.8[/tex]
The place value of 8 in the decimal fraction
[tex]\begin{gathered} =8\text{ tenth} \\ =\frac{8}{10} \end{gathered}[/tex]
The fraction in the simplified form can be calculated below as
[tex]\begin{gathered} =\frac{8\div2}{10\div2} \\ =\frac{4}{5} \end{gathered}[/tex]
Hence,
0.8 = 8/10
The simplified fraction is
= 4/5
