matches - Ummm what day was it, a matchstick puzzle

      XXIII  
     -------  =  II  
       VII

All you need to do is move one matchstick from the roman numerals to make the equation true.

Answer

You could move...

The last I from the numerator onto the top of the result, like so:

XXII
---- = $\pi$
VII
It's an approximation, but yesterday was Pi Day.