Posted by **Jnr John** on Tuesday, July 9, 2013 at 6:18am.

Add the following numbers:

1110 1011 101 + 101 1111 + 1111 =

- Number System -
**MathMate**, Tuesday, July 9, 2013 at 6:31am
Not sure if the question was quoted properly, because the last group of the first number has only three digits.

To add two binary numbers, we add a digit at a time just like in decimal, using the following rule:

0+0=0

0+1=1

1+0=1

1+1=0 with a carry of 1

So to add 101 to 111 we would have

101

+111

____

1100

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