1.

First, move the decimal place of the divisor to the right to make the divisor an integer.

2.

The decimal point of the divisor is shifted to the right by several digits, and the decimal point of the dividend is also shifted to the right by several digits (if the digits are not enough, the dividend is supplemented by 0 at the end).

3.

Calculated by fractional division where the divisor is an integer.

4.

If there is a remainder after the dividend, add 0 to the remainder and continue the division.