18551 ÷ 7 = 2650 R1
We're going to perform division on 18551 with 7 as the divisor.

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 (8) of the dividend behind the 1 and repeat the process: 18 / 7

Step 2:
7 goes into 18 2 times with a remainder of 4.
Write down 2 as next digit of of the result. 
Result so far: 2
Subtract 14 from 18 to get 4.
Bring next digit (5) of the dividend behind the 4 and repeat the process: 45 / 7

Step 3:
7 goes into 45 6 times with a remainder of 3.
Write down 6 as next digit of of the result. 
Result so far: 26
Subtract 42 from 45 to get 3.
Bring next digit (5) of the dividend behind the 3 and repeat the process: 35 / 7

Step 4:
7 goes into 35 5 times with a remainder of 0.
Write down 5 as next digit of of the result. 
Result so far: 265
Subtract 35 from 35 to get 0.
Bring next digit (1) of the dividend behind the 0 and repeat the process: 1 / 7

Step 5:
7 goes into 1 0 times with a remainder of 1.
Write down 0 as next digit of of the result. 
Result so far: 2650
Subtract 0 from 1 to get 1.

The final result is 2650 with a remainder of 1.