How do you multiply and simplify #\frac { 7} { 18} \cdot \frac { 6} { 42}#?

1 Answer
smendyka
Sep 25, 2017

See a solution process below:

Explanation:

First, rewrite and cancel common terms in the numerators and denominators:

#7/18 * 9/42 => 7/18 * 6/(7 * 6) => color(red)(cancel(color(black)(7)))/18 * color(blue)(cancel(color(black)(6)))/(color(red)(cancel(color(black)(7))) * color(blue)(cancel(color(black)(6)))) => 1/18#

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