Rewrite each term as a fraction greater than one.

$- \frac{23}{10}-\frac{7}{5}$

Find the common denominator.

$-\frac{23}{10}-\frac{7}{5}\cdot\frac{2}{2}=-\frac{23}{10}-\frac{14}{10}$

Simplify.

$-\frac{37}{10}$

Remember to show your work.

$-3\frac{7}{10}$

Rewrite $3$ as a fraction and then multiply by the reciprocal of the second fraction.

$\frac{3}{1}\cdot-\frac{4}{5}$

$-\frac{12}{5}$

Rewrite the second fraction as a fraction greater than one, find the common denominator, and then add.

Rewrite the first fraction as a fraction greater than one, then multiply numerators together and denominators together.