How can I play a cadd9/b chord on the guitar?

To play a cadd9/b chord on the guitar, place your fingers on the fretboard in this order: 1st finger on the 2nd fret of the A string, 2nd finger on the 3rd fret of the B string, 3rd finger on the 3rd fret of the high E string, and do not play the low E string. Strum from the A string down.