Answer
$\frac{3}{7}$
Work Step by Step
$12=\underline2\times\underline2\times3$
$28=\underline2\times\underline2\times7$
GCF=$2\times2=4$
$\frac{12}{28}=\frac{12\div4}{28\div4}=\frac{3}{7}$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 4 - Review - Page 319: 19
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