\[\frac{7}{16} - 0,12 = \frac{7}{16} - \frac{12}{100} =\]
\[= \frac{7^{\backslash 25}}{16} - \frac{3^{\backslash 16}}{25} = \frac{175}{400} - \frac{48}{400} =\]
\[= \frac{127}{400}\]