Answer
$\frac{4}{5}$
Work Step by Step
To convert a decimal to a fraction, place the decimal value in the numerator. Set the denominator to a multiple of ten, corresponding to the rightmost place value, in the case tenths.
Simplify by dividing the numerator and denominator by the greatest common factor.
$\frac{8}{10}=\frac{8\div2}{10\div2}=\frac{4}{5}$