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Add 101 110 and 011 - JSS3 Mathematics Addition and Subtraction of Numbers in Base 2 Numerals Question

Add 101, 110, and 011.

    101

  + 110

  -----

   1011

+  011

  -----

   1100

Step-by-step:

 

1+1+1=11 (write 1, carry 1)

0+1+1=10 (write 0, carry 1)

1+1=10 (write 0, carry 1)

Write down the carry (1)

101+110+011=1100

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