What shows the rational expression written using the least common denominator?
X+1/4x^2 + x+1/x^2

Choices
A.) x+1/4x^2 + 4(x+1)/4x^2
B.) x+1/x^2 + x+1/x^2
C.) x+1/x^2 + 4(x+1)/x^2
D.) x+1/4x^2 + x+1/4x^2

Please answer