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 …

# Rational

## Multiplication of Rational Numbers

Sal fom Khan Academy takes you through several examples of multiplying rational numbers. After multiplying these complicated fractions, take on a challenging word problem. Continue …

## Addition of Rational Numbers

Sal of Khan Academy offers tons of examples for adding together rational numbers, or fractions. Get practice finding a common denominator and adding together complicated fractions. This great practice will help you feel much more comfortable with adding rational numbers. Continue …

## 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 …

## Various Advanced Math Practice

Sal from Khan Academy offers an assortment of great exercises for various math topics. Practice multiplicative inverses, the division of rational numbers, and distance/rate problems in these examples. 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 …