# Pre-Algebra Examples

Factor out of .

Cancel the common factor.

Rewrite the expression.

Combine the numerators over the common denominator.

Multiply by .

Subtract from .

Factor out of .

Cancel the common factor.

Rewrite the expression.

Combine the numerators over the common denominator.

Multiply by .

Subtract from .

The result can be shown in both exact and decimal forms.

Exact Form:

Decimal Form: