Math reality is more restrictive and logical, physical reality is more "free" and well-behaved.
Mathematics are a logical construct, thus, everything in the "mathematical realty" must follow a certain logic.
For example, in math, always that you do a simplification (like rounding, applying a theorem, using an integration property, etc) you need to prove logically why you can do that.
While on physics we assume the reality is "nice" and we can always apply the simplifications. This is because most of the functions that represent physics are nice (continuous, differentiable, etc) functions, in the same way, most of the matrices are square matrices, and so on.
Concluding, for example in math the number 4.99999 is exactly 4.9999
On physics, if that same number represents a measure, for example:
4.99999 meters is practically equal to 5 meters.
Math reality is more restrictive and logical, physical reality is more "free" and well-behaved.
If you want to learn more about physics:
https://brainly.com/question/25545050
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