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: 47

Answer

$\frac{11}{60}$

Work Step by Step

1. Find LCD of fractions: The LCD of 15 and 12 is 60. 2. Write as equivalent fractions with denominator of 60. $\frac{4*4}{15*4} - \frac{1*5}{12*5} = \frac{16}{60} - \frac{5}{60}$ 3. Subtract numerators. $\frac{16 - 5}{60} = \frac{11}{60}$
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