### Home > CC4 > Chapter A > Lesson A.1.1 > Problem A-10

A-10.

Simplify each expression. Homework Help ✎

−

+ −

− −

· 12 −4 ÷ −

Find the lowest common denominator.

Pay attention to the signs.

Simplify before multiplying.

Change division by a fraction into multiplication by the reciprocal.