Question

Add the following rational numbers-
$\frac{3}{7},\frac{13}{17}$

Answer 1

$\frac{3}{7},\frac{13}{17}$

$\frac{3}{7}+\frac{13}{17}=\frac{3\times 17+13\times 7}{7\times 17}$

$=\frac{51+91}{119}=\frac{142}{119}$

$=\frac{142}{119}$