What is the easiest math?

If we were to ponder the realm of mathematics and seek out the most simplistic form, what would you consider to be the easiest math? Is it basic arithmetic, where the fundamental operations of addition, subtraction, multiplication, and division lay the groundwork for all that follows? Or perhaps it's a more conceptual understanding of numbers and their relationships, devoid of complex equations and algorithms? As we delve into this inquiry, let's explore the various facets of math and determine what truly qualifies as the most straightforward among them.