$2\frac34+1\frac27$

$17\frac34+31\frac47$

$1\frac{3}{7}+2\frac{1}{2}+\frac{5}{14}$

$3\frac{5}{9}+2\frac{1}{6}$

$2\frac{2}{3}+4\frac{5}{6}$

$4\frac{2}{5}+1\frac{2}{3}$

$4\frac{1}{5}+2\frac{1}{9}$

$4\frac{2}{3}+3\frac{2}{9}$