Answer
$\frac{23}{21}$
Work Step by Step
Step 1: $\frac{2}{3}+\frac{3}{7}$
Step 2: The LCM of 3 and 7 is 21.
Step 3: Therefore, $\frac{2}{3}+\frac{3}{7}=\frac{2(7)+3(3)}{21}=\frac{14+9}{21}=\frac{23}{21}$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 6 - Section 6.6 - Solving Quadratic Equations by Factoring - Exercise Set - Page 458: 70
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