Multiply the numerator by the reciprocal of the denominator.

Multiply by .

Multiply the numerator by the reciprocal of the denominator.

Cancel the common factor.

Rewrite the expression.

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 .

Evaluate 1/(11/(11/(1-1/2)))