\(2\frac13*7\frac38\)

Convert the mixed numbers into improper fractions.

\(= \frac73*\frac{59}{8}\)

Multiply the fractions.

\(=\frac{7*59}{3*8} \\~\\ =\frac{413}{24}\)

This cannot be reduced.

If you need the answer as a mixed number: \(\frac{413}{24}=17\frac{5}{24}\)