Why is 6018 divided by 12.1 smaller than 6018 divided by 12?

Answer 1

Try it with easier numbers. 12 divided by 4 = 3, 12 divided by 3 = 4

Dividing by a larger number gives a smaller result.

Answer 2

This is because you are using a larger denominator: you are dividing into a greater number of equal parts.