Ответ:\(\frac{10}{9}=1\frac{1}{9}\).\(\frac{15}{7}=2\frac{1}{7}\).\(\frac{45}{10}=4\frac{5}{10}=4\frac{1}{2}\).\(\frac{56}{8}=7\).\(\frac{87}{21}=4\frac{3}{21}=4\frac{1}{7}\).