Question

помагите пожалусто плиз

Answer 1

$1 \frac{7}{9} :8 = \frac{1*9+7}{9} :8= \frac{16}{9} :8= \frac{16}{9} * \frac{1}{8} = \frac{2}{9}$

2 :1цел 1/3 =2: 4/3 = 2*3/4 =3/2 = 1целая 1/2
12: 2цел 1/7 =  12: 15/7 = 12*7/15 = 84/15 =28/5 = 5 целых 3/5