Question

$\frac{4}{0.02} + \frac{1}{2}$

Answer 1

0,02=$\frac{2}{100}$

$\frac{4}{\frac{2}{100} } +\frac{1}{2} = \frac{4}{1} .\frac{100}{2} +\frac{1}{2} =\frac{400}{2} +\frac{1}{2} =\frac{401}{2}$