How to make both sides equal for this maths equation

(K/2k+1)+[1/(2k+3)(2k+1)] = k+1/2k+3
Is it possible to make both sides equal the same?

definitely
(k(2k+3)+1-(2k+1)(k+1)) / (2k+3)(2k+1)=0
zero on the right side means that it is possible to make both sides equal