



 
Hi Adi, You don't need to carry or borrow to do this subtraction. 76=1, 65=1 and 54=1 and hence
You can verify by converting to base ten. \[567_8 = 5\times 8^2 + 6\times 8 + 7 = 375.\] Convert 456_{8} and 111_{8} to base ten and check that the difference is correct. Write back if you need more assistance,  


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