58 ÷ 3 = 19 R1
Let's divide 58 by 3.

Step 1:
3 goes into 5 1 times with a remainder of 2.
Write down 1 as next digit of of the result. 
Result so far: 1
Subtract 3 from 5 to get 2.
Bring next digit (8) of the dividend behind the 2 and repeat the process: 28 / 3

Step 2:
3 goes into 28 9 times with a remainder of 1.
Write down 9 as next digit of of the result. 
Result so far: 19
Subtract 27 from 28 to get 1.

The final result is 19 with a remainder of 1.