Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 1 - Test - Page 103: 21



Work Step by Step

Make the fractions similar using their LCD, which is $8$, to obtain: \begin{array}{cc} &&3\dfrac{1}{8} \\&+ &2\dfrac{4}{8} \\&&\underline{4\dfrac{6}{8}} \end{array} Add the fractions together and the whole numbers together to obtain: $=(3+2+4)+\dfrac{1+4+6}{8} \\=9+\dfrac{11}{8} \\=9+1\dfrac{3}{8} \\=10\dfrac{3}{8}$
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