Multiply the numerator by the reciprocal of the denominator.

Write as a fraction with a common denominator.

Combine the numerators over the common denominator.

Subtract from .

Multiply the numerator by the reciprocal of the denominator.

Multiply by .

Cancel the common factor.

Rewrite the expression.

Combine and .

Simplify (3/(x-4))/(1-2/(x-4))