Question

Объясните пжл. решение 7-5/12=

Answer 1

$7 - \frac{5}{12} = \frac{7 \times 12}{12} - \frac{5}{12} = \frac{84 - 5}{12} = \frac{79}{12} = 6 \frac{7}{12}$

Answer 2

7:6и12/12 : 6 и 12/12-5/12:7/12