Question

1.   Add the binary numbers 1110₂ and 111₂

Answer 1

$\begin{matrix} \underline {\,\,\,\,\,\,\,\begin{matrix} 1&1&1&0\\ + &{}&{}&{}\\ {}&1&1&1 \end{matrix}} \\ \begin{matrix} 1&0&1&0&1 \end{matrix} \end{matrix}$

Answer: ${1110_2} + {111_2} = {10101_2}$