Ading or Adding: How To spell?
The word Ading is misspelled against Adding, which is present continuous of "Add"
Adding has double "dd" is mispronounced as "d"Remember double 'DD' in between the strings A & ing which should not be misspelled with single 'D'
Wrong Spelling:  A-d-ing  Correct Spelling:  A-dd-ing 
Find more wrongly spelled words of Adding to spell it well.