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I am doing binary arithmetic for the first time and I want to know how to carry over 1+1+1+1 in binary multiplication $$\begin{align} &1101000\\ &0101100\\ &1011000\\ &0001000\\ \end{align}$$

now the fourth column has 1+1+1+1=100, How can I carry it to the next column or any other such number 5=101 thanks.

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1 Answer

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$1+1+1+1=100$, so it carries like this:

 10 1101000 0101100 1011000 0001000 ------- 0100

Here I’ve shown only what you have after dealing with the four leftmost columns.

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