Find the common denominator.

Write as a fraction with denominator .

Multiply by .

Multiply and .

Write as a fraction with denominator .

Multiply by .

Multiply and .

Combine fractions with similar denominators.

Reduce the expression by cancelling the common factors.

Factor out of .

Factor out of .

Factor out of .

Factor out of .

Cancel the common factor.

Rewrite the expression.

Divide by .

Add and .

Multiply by .

Multiply by .

Subtract from .

The absolute value is the distance between a number and zero. The distance between and is .

Multiply by .

Multiply by .

Reduce the expression by cancelling the common factors.

Factor out of .

Factor out of .

Factor out of .

Factor out of .

Factor out of .

Factor out of .

Cancel the common factor.

Rewrite the expression.

Divide by .

Add and .

Subtract from .

Multiply by .

Add and .

Simplify -6-(-3+12/6-|7-(-4+20)/4|)