Question

7/9+5/6-2целых7/12.помогите пожалуйста.

Answer 1

7/9+5/6+31/12=28+30-93/36=-35/36

Answer 2

$\frac{7}{9} + \frac{5}{6} -2 \frac{7}{12} =\frac{7}{9} + \frac{5}{6} - \frac{31}{12} = \frac{7*4+5*6-31*3}{36} = \frac{28+30-93}{36}= \frac{58-93}{36} = -\frac{35}{36}$

Ответ: $-\frac{35}{36}$