Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 4 - Review: 19



Work Step by Step

$12=\underline2\times\underline2\times3$ $28=\underline2\times\underline2\times7$ GCF=$2\times2=4$ $\frac{12}{28}=\frac{12\div4}{28\div4}=\frac{3}{7}$
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