(2501 H) = 99H (2502 H) = 39H Result (2503 H) = 99H + 39H = D2H Since, 1 0 0 1 1 0 0 1 (99H) + 0 1 1 1 1 0 0 1 (39H) 1 1 0 1 0 0 1 0 (D2H)