Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter R - Section R.2 - Fractions - Exercise Set - Page R-16: 51

Answer

$3 \frac{2}{21}$

Work Step by Step

1. Find LCD of fractions: 21 2. Write as equivalent fractions with common denominator : $\frac{10*7}{3*7} - \frac{5}{21} = \frac{70}{21} - \frac{5}{21}$ 3. Subtract numerators: $\frac{70-5}{21} = \frac{65}{21} = 3 + \frac{2}{21} = 3 \frac{2}{21}$
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