$a)\frac{1}{2}=\frac{5}{10}=0,5$

$b)\frac{1}{5}=\frac{2}{10}=0,2$

$c)\frac{3}{4}=\frac{75}{100}=0,75$

$d)3\frac{3}{5}=3\frac{6}{10}=3,6$

$e)11\frac{7}{10}=11,7$

$f)8\frac{13}{100}=8,13$