I tutor people from time to time, usually in math. A lot of people do not have some very basic math skills, and yet, it is not really all that difficult to learn them if you think that you can.
Unfortunately, many people think that they can not.
This recent article says it much better and at length There’s one key difference between kids who excel at math and those who don’t.
If you have trouble with math, please do not give up on it. You can learn it.