Factor out of .

Cancel the common factor.

Rewrite the expression.

Factor out of .

Factor out of .

Cancel the common factor.

Rewrite the expression.

Combine and .

Multiply by .

Factor out of .

Cancel the common factors.

Factor out of .

Cancel the common factor.

Rewrite the expression.

Simplify (3b^5)/(10a^4b)*(12a^3)/b