11011 is a binary number which represents the number 27
Decimal 27 is 11011 in binary
11011+1101
To add two binary numbers, start by aligning them vertically. Then, add the digits column by column from right to left, just like in decimal addition. If the sum of two digits is 2 or more, write down the remainder and carry over the extra to the next column. In this case, adding 100111 and 11011 gives 1000000. The addition is as follows: 100111 11011 1000000
11122
11011
1100102
11011
11011
13011
It is 11011.
11011