To divide by a fraction, multiply by its reciprocal.

Cancel the common factor of .

Cancel the common factor.

Rewrite the expression.

Subtract from .

Subtract from .

Simplify 1/a-(1/b)÷(a/b)-b/a

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# Simplify 1/a-(1/b)÷(a/b)-b/a

To divide by a fraction, multiply by its reciprocal.

Cancel the common factor of .

Cancel the common factor.

Rewrite the expression.

Subtract from .

Subtract from .

Simplify 1/a-(1/b)÷(a/b)-b/a