[tex]4\frac{4}{5}:\frac{9}{2}-\frac{14}{75}:\frac{25}{45}=\frac{24}{5}\cdot \frac{2}{9}-\frac{14}{75}\cdot \frac{45}{25}\\
simplific\u am\:24\: \c si\: 9\: prin\: 3,\: \c si\: 45 \:\c si\: 75\: prin\: 15
\\
=\frac{8\cdot 2}{5\cdot 3}-\frac{14\cdot 3}{5\cdot 25}\\
aducem\: la\:acela\c si\:numitor,\:5\cdot25\cdot3\\
=\frac{8\cdot2\cdot25}{5\cdot25\cdot3}-\frac{14\cdot3\cdot3}{5\cdot25\cdot3}=\frac{400-126}{375}=\frac{274}{375}[/tex]
