I am having trouble with my finger placement when I play the G major and C major chords. It seems like no matter what I do, my index finger is always touching the string below it, so I can't get a clear ring. Any help would be greatly appreciated.
This is a very common beginner problem, and is often the result of poor fret-hand positioning. To try and correct this problem, pay attention to the thumb on your fretting hand (the hand that holds down notes on the fretboard). Let's examine...

