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687\times 7^{2\left(-1\right)}=687
Add 686 and 1 to get 687.
687\times 7^{-2}=687
Multiply 2 and -1 to get -2.
687\times \frac{1}{49}=687
Calculate 7 to the power of -2 and get \frac{1}{49}.
\frac{687}{49}=687
Multiply 687 and \frac{1}{49} to get \frac{687}{49}.
\frac{687}{49}=\frac{33663}{49}
Convert 687 to fraction \frac{33663}{49}.
\text{false}
Compare \frac{687}{49} and \frac{33663}{49}.
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