### Home > CCA > Chapter A > Lesson A.1.1 > Problem A-11

A-11.

Simplify each expression.

Find the lowest common denominator.

Pay attention to the signs.

Simplify before multiplying.

Change division by a fraction into multiplication by the reciprocal.

A-11.

Simplify each expression.

Find the lowest common denominator.

Pay attention to the signs.

Simplify before multiplying.

Change division by a fraction into multiplication by the reciprocal.