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Pre-Algebra: Simplifying Fractions Once you have learned how to find the Greatest Common Factor (GCF) of a set of numbers, you can simplify fractions by factoring the numerator and denominator until they are relatively prime. Numbers are relatively prime when they have no common factors, other than 1. To do this, you will need to find the GCF for the numerator and denomentator, and then divide them both by this factor. This will effectively simplify the fraction to its most simplified form. Taught by Professor Edward Burger, this lesson was selected from a broader, comprehensive course, Pre Algebra. This course and others are available from Thinkwell, Inc. The full course can be found at The full course covers whole numbers, integers, fractions and decimals, variables, expressions, equations and a variety of other pre algebra topics. Founded in 1997, Thinkwell has succeeded in creating a "next-generation" textbook, one that helps students learn and teachers teach. Capitalizing on the power of new technology, Thinkwell products prepare students more effectively for their coursework than any printed textbook can. Thinkwell has assembled a group of talented industry professionals who have shaped the company into the leading provider of technology-based textbooks. For more information about Thinkwell, please visit Edward Burger, Professor of Mathematics at Williams College, earned his Ph.D. at the University of Texas at Austin, having graduated summa cum laude with distinction in mathematics from...
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