Answer
$\frac{21}{33} = \frac{7}{11}$
$\frac{9}{12} = \frac{3}{4}$
Not equivalent
Work Step by Step
$\frac{21\div3}{33\div3} = \frac{7}{11}$
$\frac{9\div3}{12\div3} = \frac{3}{4}$
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