Question

What is the long division

Answer 1

the exact definition - arithmetical division in which the divisor has two or more figures, and a series of steps is made as successive groups of digits of the dividend are divided by the divisor to avoid excessive mental calculation

Answer 2

It is a way of using division by an equation. In other words say you have 81 / 9 that would be saying how many times does nine go into eight and if it doesn't it will have a remainder