19.6/5 = 3.92
1. First we remove the decimal point
2. Then we divide 19 in 5
3. Put down number six
4. When there is no more digits available to move down; we add a comma to the answer and move down a zero to continue dividing until the remainder gets zero
The answer was 39,2 but like the original number had a decimal point; we move the point one position to 3,92