DQ A rational expression is a fraction of two polynomials.

MAT 134 Grand Canyon Week 3 Discussion 1

A rational expression is a fraction of two polynomials. If you need to add or subtract two rational expressions, how would you do it? Describe, in your own words, the process for finding the Least Common Denominator (LCD) of two rational expressions. How is factoring related to this process? Give an example of adding two rational expressions with different denominators.