Question

1)-7/9+5/6
2)-2 1/8-1 5/16

Answer 1

$1) - frac{7}{9} + frac{5}{6} = - frac{14}{18} + frac{15}{18} = frac{1}{18}$
1) Ответ: 1/18

$2) - frac{17}{8} - frac{21}{16} = - frac{34}{16} - frac{21}{16} = - frac{55}{16} = - 3 frac{7}{16}$
2) Ответ: -3 7/16

Answer 2

спасибо