54345 ÷ 8 = 6793 R1
We're going to perform division on 54345 with 8 as the divisor.

Step 1:
8 goes into 5 0 times with a remainder of 5.
Write down 0 as next digit of of the result. 
Result so far: 0
Subtract 0 from 5 to get 5.
Bring next digit (4) of the dividend behind the 5 and repeat the process: 54 / 8

Step 2:
8 goes into 54 6 times with a remainder of 6.
Write down 6 as next digit of of the result. 
Result so far: 6
Subtract 48 from 54 to get 6.
Bring next digit (3) of the dividend behind the 6 and repeat the process: 63 / 8

Step 3:
8 goes into 63 7 times with a remainder of 7.
Write down 7 as next digit of of the result. 
Result so far: 67
Subtract 56 from 63 to get 7.
Bring next digit (4) of the dividend behind the 7 and repeat the process: 74 / 8

Step 4:
8 goes into 74 9 times with a remainder of 2.
Write down 9 as next digit of of the result. 
Result so far: 679
Subtract 72 from 74 to get 2.
Bring next digit (5) of the dividend behind the 2 and repeat the process: 25 / 8

Step 5:
8 goes into 25 3 times with a remainder of 1.
Write down 3 as next digit of of the result. 
Result so far: 6793
Subtract 24 from 25 to get 1.

The final result is 6793 with a remainder of 1.