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Add the following BCD numbers. 0110 0111 1001 0101 1000 1000

0000 1011 0000 1111 0001 0001
0001 0001 0001 0101 0001 0001
0000 1011 0000 1111 0001 0111
0001 0001 0001 0101 0001 0111

Correct Answer: 0001 0001 0001 0101 0001 0111

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