Math Problem Solver

\[\frac{0.30}{0.4} = \frac{3}{4} = 0.75\]

\[\begin{aligned}\frac{0.30}{0.4}& = \frac{3}{10} \cdot \frac{1}{\frac{4}{10}}\\& = \frac{3}{10} \cdot \frac{1}{\frac{2}{5}}\\& = \frac{3}{4}\end{aligned}\]