Numerator
Numerator[e]
returns the numerator of e
.
Attributes[Numerator] := {Listable, Protected}
Simple examples
In[1]:= Numerator[(a)/(b)] Out[1]= a
In[2]:= Numerator[a^2*b] Out[2]= a^2*b
In[3]:= Numerator[a^2*b^-2] Out[3]= a^2
In[4]:= Numerator[a^2*b^(a*-1)*c] Out[4]= a^2*c
In[5]:= Numerator[(2)/(3)] Out[5]= 2