Сделайте сокрашение дробей. номер 226

Решите задачу:

$\frac{12*21}{35*15} = \frac{4*3}{5*5} = \frac{12}{25}$

$\frac{72*11}{33*30} = \frac{12}{15} = \frac{4}{5}$

$\frac{25*17*44}{51*8*75} = \frac{11}{12}$

$\frac{8*3+8*23}{3*16} = \frac{8(3+23)}{3*16} = \frac{26}{6} = \frac{13}{3}$

$\frac{17*48}{17*16-9*16} = \frac{17*48}{16(17-9)} = \frac{51}{8}$

$\frac{14*5-14*3}{21*9-+21*3} = \frac{14*2}{21*12} = \frac{4}{36} = \frac{1}{9}$