16854 ÷ 7 = 2407 R5
Let's divide 16854 by 7.

Step 1:
7 goes into 1 0 times with a remainder of 1.
Write down 0 as next digit of of the result. 
Result so far: 0
Subtract 0 from 1 to get 1.
Bring next digit (6) of the dividend behind the 1 and repeat the process: 16 / 7

Step 2:
7 goes into 16 2 times with a remainder of 2.
Write down 2 as next digit of of the result. 
Result so far: 2
Subtract 14 from 16 to get 2.
Bring next digit (8) of the dividend behind the 2 and repeat the process: 28 / 7

Step 3:
7 goes into 28 4 times with a remainder of 0.
Write down 4 as next digit of of the result. 
Result so far: 24
Subtract 28 from 28 to get 0.
Bring next digit (5) of the dividend behind the 0 and repeat the process: 5 / 7

Step 4:
7 goes into 5 0 times with a remainder of 5.
Write down 0 as next digit of of the result. 
Result so far: 240
Subtract 0 from 5 to get 5.
Bring next digit (4) of the dividend behind the 5 and repeat the process: 54 / 7

Step 5:
7 goes into 54 7 times with a remainder of 5.
Write down 7 as next digit of of the result. 
Result so far: 2407
Subtract 49 from 54 to get 5.

The final result is 2407 with a remainder of 5.