What does simplify mean in math?

Simplify in Math, like in English, means to make as simple as possible - as "down to the roots as possible".

In the example = 36 + 10. To simplify fully would be = 46 since that is as simple as it gets.

In algebra, to simplify fully might involve 14 = 2x, where to simplify fully would be to find x (x = 7)

A numbers lowest form which is smaller than the original number. For example

2/4 = 1/2

6/3 = 2

4/1 = 4