Question

вычеслите 3/8+4/7, 9/2+(-1 5/6),

Answer 1

$frac{3}{8} + frac{4}{7} = frac{21}{56}+ frac{32}{56}= frac{53}{56}$
$frac{9}{2}+(-1 frac{5}{6})= frac{9}{2}- frac{11}{6}= frac{27}{6} - frac{11}{6}= frac{16}{6}$

Answer 2

ну и не 15/6 а 16/6 )))