Prealgebra (7th Edition)

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

Chapter 4 - Section 4.4 - Adding and Subtracting Like Fractions, Least Common Denominator, and Equivalent Fractions - Exercise Set: 60

Answer

LCD is 70y

Work Step by Step

If the denominators have no common factors, the LCD is the product of the denominators. $y\times70=70y$
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