Question

Памагити пжжж! 21 балл!

Answer 1

Ответ:

$4\frac{2}{13} + 9\frac{6}{13} = \frac{54}{13} + \frac{123}{13} = \frac{54+123}{13} = \frac{177}{13} = 13\frac{8}{13}$