Subtract
Antonyms of SUBTRACT
Examples of usage:

The jury has found you guilty as charged, and I should be doing less than my duty, if I allowed sympathy based upon imagined facts to subtract from the full legal penalty. "The Long Lane's Turning" by Hallie Erminie Rives

Let us subtract the drafts on New York from New York clearings, and the drafts on other places from the country clearings. "The Value of Money" by Benjamin M. Anderson, Jr.