4/5
Explanation:
80%
[tex]\begin{gathered} \frac{80}{100}=\text{ }\frac{8}{10} \\ \text{this we divided both numerator an denominator by 10 } \end{gathered}[/tex]dividing both numerator an denominator by 2:
[tex]\frac{8}{10}=\text{ }\frac{4}{5}[/tex]fraction in simplest form = 4/5
