Search 80,730 tutors

Rationalizing negative fractional exponents.

.pdf Document (91k)

Sign up or sign in to download this file.

Copy URL

Copy URL

The following URL can be copied and pasted into emails or blog posts.

A negative exponent places a factor in the denominator.  If the negative exponent is a fraction, that means there is a radical in the denominator that needs to be rationalized to be in simplest form.
In a nutshell, multiply the denominator (and numerator) by the base with a fractional exponent that will produce the exponent of 1.
See examples in the pdf file.