Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 4 - Section 4.5 - Adding and Subtracting Unlike Fractions - Exercise Set - Page 273: 69

Answer

$ -\frac{3}{4}\gt- \frac{11}{14}$

Work Step by Step

The least common multiple of the denominators is 28. Adjust the fractions based on the least common multiple. For the first fraction, multiply the numerator and denominator by 7. $-\frac{3}{4}\times \frac{7}{7}= -\frac{21}{28}$ For the second fraction, multiply the numerator and denominator by 2. $-\frac{11}{14} \times\frac{2}{2}= -\frac{22}{28}$ $-\frac{21}{28}\gt-\frac{22}{28}$ So, $ -\frac{3}{4}\gt- \frac{11}{14}$
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