Ответ:\(1-\frac{16}{23}=\frac{23}{23}-\frac{16}{23}=\frac{7}{23}\).\(5-\frac{7}{16}=4\frac{16}{16}-\frac{7}{16}=4\frac{9}{16}\).\(6-1\frac{3}{5}=4\frac{2}{5}\).\(8-7\frac{12}{25}=\frac{25}{25}-\frac{12}{25}=\frac{13}{25}\).