Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 2 - Real Numbers - 2.1 - Rational Numbers: Multiplication and Division - Problem Set 2.1: 94

Answer

a) 11/13 b) 7/9 c) -37/41 d) -13/15 e) 6/11 f) 12/17 g) 7/11 h) 11/13

Work Step by Step

In order to simplify, we cancel out the greatest common factor: a) $ = (9)(11)/(9)(13) = 11/13$ b) $ = (7(25)/9(25)) = 7/9$ c) $ = -37(3)/(41)(3) = -37/41$ d) $ = -13(18)/(15)(18) = -13/15$ e) $ = 6(45)/(11)(45) = 6/11$ f) $ = 27(12) / 27(17) = 12/17$ g)$= 7(13)/11(13) = 7/11$ h) $ = 11(17)/13(17) = 11/13$
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