Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 11 - Rational Expressions and Functions - 11-4 Adding and Subtracting Rational Expressions - Lesson Check - Page 687: 5

Answer

See below

Work Step by Step

If both expressions have the same denominator, add or subtract the numerator and simplify. If they do not have the same denominator, then find the LCD by using prime factorization or multiply the denominators. Rewrite each fraction using the LCD and simplify numerators and denominators. Add or subtract the numerators since they now have the same denominators.
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