Answer
$\frac{15}{35} = \frac{3}{7}$
$\frac{18}{40} = \frac{9}{20}$
These fractions are not equivalent.
Work Step by Step
$\frac{15\div5}{35\div5} = \frac{3}{7}$
$\frac{18\div2}{40\div2} = \frac{9}{20}$
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