18 ÷ 7 = 2 R4
Alright, let's work through the division of 18 by 7 step by step.

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.

The final result is 2 with a remainder of 4.