What is the sum of binary numbers 1101 and 1110?

To find the sum of binary numbers 1101 and 1110, we perform binary addition. Starting from the rightmost bit, we add each pair of bits along with the carry from the previous addition. 1+0 gives 1, 0+1 gives 1, 1+1 gives 0 with a carry of 1, and 1+1 (including the carry) gives 1 with a carry of 1. Therefore, the sum of 1101 and 1110 in binary is 11011.