\frac { 40 } { ? } = \frac { ? } { 90 }
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40=\frac{1}{90}
Anything divided by one gives itself.
\frac{3600}{90}=\frac{1}{90}
Convert 40 to fraction \frac{3600}{90}.
\text{false}
Compare \frac{3600}{90} and \frac{1}{90}.
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