30+ How To Rationalize Numerator Today. √2 × √2 = 2: These examples are from notes 20, page 268 of my math analysis notes. 2 2 Rationalizing Numerator YouTube from www.youtube.com Denominator) since it removes an apparent singularity at $\,h=0$. Simplify the fraction, if necessary. Multiply the numerator and the denominator by a radical to …