Answer
$\frac{41}{35}$
Work Step by Step
The greatest common denominator of $5$ and $7$ is $5 \times 7 = 35$. Therefore, $$\frac{3}{5}+\frac{4}{7}=\frac{3(7)}{35}+\frac{4(5)}{35}=\frac{21}{35}+\frac{20}{35}=\frac{41}{35}$$
Functions Modeling Change: A Preparation for Calculus, 5th Edition
by Connally, Eric; Hughes-Hallett, Deborah; Gleason, Andrew M.; Cheifetz, Phil C.
Published by
Wiley
ISBN 10:
1118583191
ISBN 13:
978-1-11858-319-7
Chapter 11 - Polynomial and Rational Functions - Exercises to Skills Review for Chapter 11 - Page 494: 1
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