Calculate the following sums in hexadecimal and binary. Assume the numbers represent 8-bit unsigned integers. Clearly indicate any result that has an overflow. Note whether the hex and binary sums represent the same number.

\begin{tabular}{ccc} 087 & 1000 & 0111 \\ +0E9 & 1110 & 1001 \\ \hline & & \\ 170 & 1 & 01110000 \end{tabular}