This animated image of long division from Wikipedia might help show what’s going on: https://commons.wikimedia.org/wiki/File:LongDivisionAnimated.gif https://c

This animated image of long division from Wikipedia might help show what’s going on: https://commons.wikimedia.org/wiki/File:LongDivisionAnimated.gif https://commons.wikimedia.org/wiki/File:LongDivisionAnimated... In essence, repeated subtractions. The blank areas to the right of each number are really just zeros.