Question

а)-5/8+(-6/7) б)-8 2/5+(-7,07)

Answer 1

Ответ:

Пошаговое объяснение:

- 5/8 + (-6/7) = -35/56 - 48/56 = -83/56 = -1целая 27/56

-8 2/5 + (-7,07) = -8,4 - 7,07 = -15,47

Answer 2

$1)-\frac{5}{8}+(-\frac{6}{7})=-\frac{5}{8}-\frac{6}{7}=-\frac{83}{56}=-1\frac{27}{56}\\\\ 2)-8\frac{2}{5}+(-7,07)=-\frac{42}{5}-7,07=-\frac{42}{5}-\frac{707}{100}=-\frac{1547}{100}=-15\frac{47}{100}=-15,47$