Question

3
$\frac{3}{7 }+( \frac{ - 6}{11} ) + ( \frac{ - 8}{ 21} ) + ( \frac{5}{22})$

Answer 1

$\frac{3}{7} + ( \frac{ - 6}{11} ) + ( \frac{ - 8}{21} ) + \frac{5}{22}$
$= > \frac{3}{7} - \frac{6}{11} - \frac{8}{21} + \frac{5}{22}$
$= > \frac{198 - 252 - 176 + 105}{462}$
$= > \frac{ - 125}{462}$
Hope this will help you