What is the sum? $\frac{3}{5} + \frac{1}{2}$
$\frac{9}{10}$
$1\frac{1}{10}$
$\frac{3}{10}$
$\frac{4}{7}$
What is the difference? $\frac{7}{8} - \frac{1}{3}$
$\frac{3}{4}$
$\frac{6}{5}$
$\frac{6}{24}$
$\frac{13}{24}$