\[\boxed{\ \mathbf{973\ (973)}.\ Еуроки\ - \ ДЗ\ без\ мороки}\]
\[1)\ \frac{3}{4} = 0,75\]
\[2)\ \frac{9}{20} = 0,45\]
\[3)\frac{23}{32} = 0,71875\]
\[4)\ \frac{53}{40} = 1,325\]
\[5)\ \frac{263}{125} = 2,104\]