Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 5 - Number Theory and the Real Number System - 5.3 The Rational Numbers - Exercise Set 5.3: 62

Answer

$\dfrac{15}{14}$

Work Step by Step

Cancel the common factors to find: $\require{cancel} =(-\frac{5}{\cancel{4}2})(-\frac{\cancel{6}3}{7})$ Multiply the numerators together and the denominators together to find: $=\dfrac{-5(3)}{-2(7)} \\=\dfrac{15}{14}$
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