This video is Part Four of the fractions series talks about combining fractions with the SAME denominator. Instructor uses stationary camera and white board for demonstration.

When adding and subtracting fractions, the important thing is to see if the fractions have the same denominator. Discover how to find the least common denominator.

Este video esta perfecto para explicar la suma y resta de las fracciones. Aquí, el profesor enseña dos maneras de resolver los ejemplos que emplea. Muy bien explicado. También, enseña todo el trabajo en la pizarra. (9:29)

How to Add and Subtract Fractions - this tutorial will show you how to add and subtract fractions in algebra. The instructor uses real-world examples. (03:52)

This video demonstrates adding and subtracting fractions. (Demonstration is done on a piece of paper.) Examples include division of both numerical and variable expressions. (7:36)

This short video is from Jimmy Chang, who has a master's degree in math and has been a math teacher at St. Pete College for more than eight years. Mr. Chang demonstrates in this video how to add and subtract fractions. (02:45)

A classroom introduction to adding and subtracting like denominators! The instructor uses a computer screen to explain each proceedure, including pie fractions and highlighted numbers. Run time 01:45.

In this video, Sal Khan discusses and demonstrates basic addition and subtraction of fractions. Like and unlike denominators are included in his examples. Fraction pies are also used to help explain each fraction. Examples include 1/4 + 1/4, 1/4 +... 1/2, and 1/2 - 1/3. Negative numbers are included at the end of the video. Mr. Khan uses the Paint Program (with different colors) to illustrate his points. Sal Khan is the recipient of the 2009 Microsoft Tech Award in Education. (09:49)[more]

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