The Collaborative International Dictionary
Subtract \Sub*tract"\, v. t. [imp. & p. p. Subtracted; p. pr. & vb. n. Subtracting.] [L. subtractus, p. p. of subtrahere to draw from beneath, withdraw, remove; sub under + trahere to draw. See Trace, v. t., and cf. Substract.] To withdraw, or take away, as a part from the whole; to deduct; as, subtract 5 from 9, and the remainder is 4.
Wiktionary
vb. (present participle of subtract English)
Usage examples of "subtracting".
Adding and subtracting fractions went well enough, so long as they had the same denominator.
In the second case you get the constant, 5, by subtracting the first number in a line from the second, and the result from the third.
The constant is, of course, obtained by subtracting the first number from the second in line, the result from the third, and the result again from the fourth.
Therefore 64 + 47 + 42 + 39 + 34 + 17 + 9 + 8 (obtained by subtracting each of the above numbers from 65) will sum to 260 and their squares to 11,180.
The software can save on precious bandwidth by mathematically subtracting each new frame from the previous one (since, to the computer, each image is just a long number) and then transmitting only the difference.
The second letter in Enoch's ciphertext is S, which is the nineteenth letter in the alphabet, and subtracting four from that gives him O.
He generates a 23 and then a 47 which, modulo 26, is 21, and subtracting the 23 and the 21 from the next two ciphertext letters K and J (again, modulo 26) gives him N and O as expected.
The third leaf bore 236 glands, and subtracting the five which did not become inflected, each of the remaining 231 glands could have absorbed only 1/1108800 of a grain (or .
As we had driven, he kept adding, from memory, that which he recalled of Amber, and subtracting that which did not agree.