Question

-1 7/9 +(-2 11/12)
скажите ответ плс​

Answer 1

Ответ:

$- 1 \frac{7}{9} - 2 \frac{11}{12} = \\ = - ( \frac{16 \times 4 + 35 \times 3}{36} ) = \\ = - \frac{64 + 105}{36} = \frac{ - 169}{36} = - 4 \frac{25}{36}$

Answer 2

$- 1 \frac{7}{9} + ( - 2 \frac{11}{12} ) = - 1 \frac{7}{9} - 2 \frac{11}{12} = - 1 \frac{28}{36} - 2 \frac{33}{36} = - 3 \frac{61}{36} = - 4 \frac{25}{36}$