frac( X, Highest_denominator = 1000 )


frac converts X to a approximated ratio.
If X is a matrix, frac is applied to every element.

X must be a Complex or Matrix variable type.
Highest_denominator must be an integer above or equal to one.


frac pi   returns 3 + 16/113
frac( pi, 50 )   returns 3 + 1/7

dec