May 21: Adding and Subtracting Rational Expressions

Post date: May 21, 2013 8:55:41 PM

Notes:

Finding LCM

-LCM is what the expressions have in common and what they have that is different than the others

-We use LCM to add and subtract rational expressions

Adding and Subtracting Rational Expressions

-find the LCM of denominators

-make each expression have a denominator that matches the LCM

-simplify

Here is a link to some helpful videos on this topic.

• Simplifying Rational Expressions

Homework:

Section 8.4 skill C (10-15)

8.4 worksheet

Journals

*all due Thursday*