Ответ:

1) \(\left(\frac{4}{5}-\frac{7}{15}\right)\cdot\frac{3}{16}=\left(\frac{12}{15}-\frac{7}{15}\right)\cdot\frac{3}{16}=\frac{5}{15}\cdot\frac{3}{16}=\frac{1}{3}\cdot\frac{3}{16}=\frac{1}{16}\).

2) \(-6,2+7,41:1,3=-6,2+5,7=-0,5\).

Ответ: 1) \(\frac{1}{16}\); 2) \(-0,5\).