Appends (5,2)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">appends</span>' is the definition.<br/ ><span class="explanation-format__explanation">('add' can be a synonym of 'append')</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for adds that I've seen before include "Appends; Totals" , "Sums, totals" , "Contributes further" , "Tots up" , "Finds the sum (4)," .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">appends</span>' is the definition.<br/ ><span class="explanation-format__explanation">('tack on' can be a synonym of 'append')</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Another definition for tacks on that I've seen is " Fixes upon".)