Problem 20 (2012 AMC 8)

AMC 8Easy

From module Arithmetic and Number Theory Basics

Problem

What is the correct ordering of the three numbers $\frac{7}{21}$ , $\frac{5}{19}$ , and $\frac{9}{23}$ in increasing order?

Select an answer

$\frac{9}{23} < \frac{7}{21} < \frac{5}{19}$
$\frac{5}{19} < \frac{7}{21} < \frac{9}{23}$
$\frac{9}{23} < \frac{5}{19} < \frac{7}{21}$
$\frac{5}{19} < \frac{9}{23} < \frac{7}{21}$
$\frac{7}{21} < \frac{5}{19} < \frac{9}{23}$

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