Showing posts with label least common multiple. Show all posts
Showing posts with label least common multiple. Show all posts

Tuesday, June 2, 2009

Isolate variable in denominator

The trick here is to multiply both sides of the equation by the least common multiple of the denominators. We MUST honor the distributive property.

Thursday, May 14, 2009

Tuesday, May 12, 2009

Simplifying Rational Expressions

In this post I sum two rational expressions. I use the Least Common Multiple. Although there are Polynomials for denominators I treat them as if they were numbers. Polynomials behave like numbers.