subtract the wives, daughters, and widows and you are left with a fraction of that already small number.
Think of it as Game of Thrones—if you subtract the sex and violence and add drunken revelry and singing.
She knows exactly how to add or subtract hair for any style she wants, whenever she wants it.
1540s, from Latin subtractus, past participle of subtrahere (see subtraction). Related: Subtracted; subtracting. Earlier verb form was subtraien (early 15c.).
Here he teches þe Craft how þou schalt know, whan þou hast subtrayd, wheþer þou hast wel ydo or no. ["Craft of Numbering," c.1425]