WordNet
Usage examples of "add together".
None of them were at full strength, but add together Seminoles, Dons, West Indian Negroes, and a naval landing party as large as ours, they probably outnumbered us by half again.
Of course, this crippling of Genux-B would have to occur before a hostile attack by the South African True Association manifested itself in real but minute individual symptoms which the computer, with its vast intake of seemingly unrelated data, would take note of -- notice and add together into a meaningful pattern.
Still, sometimes two half-wits could add together to do something right.
The smith had nothing but guesses to add together, but he thought that the sum of them was enough.