Question

Опять пример:3/8*(-1 1/7)

Answer 1

$frac{3}{8}*(-1 frac{1}{7})=-frac{3}{8}*frac{1*7+1}{7}=\\-frac{3}{8}*frac{8}{7}=-frac{3*8}{8*7}=-frac{3}{7}$

Answer 2

3/8 * (-1 1/7) = 3/8 * (-8/7) = -3/7