\(\large \frac{1}{2}-\frac{1}{7}\)

\(\large \frac{7}{10}-\frac{1}{2}\)

\(\large \frac{1}{6}+\frac{1}{2}\)

\(\large \frac{5}{8}+\frac{2}{5}\)

\(\large \frac{9}{10}-\frac{1}{3}\)

\(\large \frac{3}{4}-\frac{2}{5}\)

\(\large \frac{5}{7}-\frac{1}{4}\)

\(\large \frac{7}{8}+\frac{1}{3}\)

\(\large \frac{5}{6}+\frac{2}{5}\)

\(\large \frac{1}{6}-\frac{1}{10}\)

\(\large \frac{6}{11}-\frac{1}{2}\)

\(\large \frac{5}{6}+\frac{3}{7}\)

Kaylin mixed two liquids for a science experiment. One container held \(\large \frac{7}{8}\) cup and the other held \(\large \frac{9}{10}\) cup. What is the total amount of the mixture?

Henry bought \(\large \frac{1}{4}\)pound of screws and \(\large \frac{2}{5}\) pound of nails to build a skateboard ramp. What is the total weight of the screws and nails?