Sal from Khan Academy makes adding and subtracting rational expressions easy by explaining how to simplify complicated expressions. After finding the common denominator, Sal makes it a piece of cake! Continue …

# Expressions

## Adding and Subtracting Rational Expressions 2

Sal of Khan Academy explains how to add and subtract more complicated rational expressions. Get more practice simplifying expressions and finding the domain. Continue …

## Adding and Subtracting Rational Expressions 1

Get a great example of how to add and subtract rational expressions through this clear and helpful tutorial. This example starts off with a complicated questions, but after a thorough demonstration, you will fully understand how to write and then simply a rational expression. Continue …