[Tex/LaTex] How to use \cancel command


I want to use \cancel command in TeXnicCenter but it is giving error while using that..

Basically I want to show cancellation of 2 with 2, using \frac.

\frac{2}{2} but I want to show it like: \(\frac{\cancel{2}}{\cancel{2}}\).

And I am unable to do it, can anybody please tell me how to do it..

Best Answer

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