Answer
$1000111$
Work Step by Step
Using the rules, $1−1=0,0−0=0,1−0=1,0−1=1$ (found by borrowing,$ 10−1=1)$,
we have
$10100100 −1011101 = 1000111$.
Check in the binary,
$1000111+1011101=10100100$.
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