Multiply the numerator by the reciprocal of the denominator.

Factor out of .

Factor out of .

Cancel the common factor.

Rewrite the expression.

Factor out of .

Factor out of .

Cancel the common factor.

Rewrite the expression.

Multiply and .

Multiply by .

Raise to the power of .

Use the power rule to combine exponents.

Add and .

Move to the left of .

Simplify ((8b)/(a^3))/(32/(ab^3))