Use the power rule to combine exponents.

To write as a fraction with a common denominator, multiply by .

Combine and .

Combine the numerators over the common denominator.

Simplify the numerator.

Multiply by .

Subtract from .

Move the negative in front of the fraction.

Move to the numerator using the negative exponent rule .

Use the power rule to combine exponents.

Combine the numerators over the common denominator.

Add and .

Simplify (k^(1/3))/(k^(2/3)k^-1)