\(\displaystyle{6.8}\%\)

\(\displaystyle{6.8}={\left({\frac{{{68}}}{{{10}}}}\right)}\)

\(\displaystyle{6.8}\%=\frac{{{\frac{{{68}}}{{{10}}}}}}{{100}}={\frac{{{68}}}{{{\left({10}{x}{100}\right)}}}}={\frac{{{68}}}{{{1000}}}}={\frac{{{\left({17}{x}{4}\right)}}}{{{\left({250}{x}{4}\right)}}}}={\frac{{{17}}}{{{250}}}}\)

\(\displaystyle{6.8}={\left({\frac{{{68}}}{{{10}}}}\right)}\)

\(\displaystyle{6.8}\%=\frac{{{\frac{{{68}}}{{{10}}}}}}{{100}}={\frac{{{68}}}{{{\left({10}{x}{100}\right)}}}}={\frac{{{68}}}{{{1000}}}}={\frac{{{\left({17}{x}{4}\right)}}}{{{\left({250}{x}{4}\right)}}}}={\frac{{{17}}}{{{250}}}}\)