positive is to add and negative is to subtract in math
No, you add the positive to the negative.
If you subtract a negative from a positive, add both of their absolute values. If you subtract a positive from a negative, add both of their absolute values and multiply by negative one.
subtract the negative from the positive
A little awkwardly phrased, so I'll answer both ways. To subtract a negative from anything, add its positive. To subtract a positive from a negative, the equation is treated as though you are adding two postives, the result is negative.
-3
It can be a negative or positive fraction, a negative or positive integer, or zero.
That is correct. If you subtract a positive number from a negative number, your result is negative.
6
Subtracting a negative is like adding a positive; the result will be positive.
That is correct. If you subtract a positive number from a negative number, your result is negative.
When you add: a negative and a negative: you get a negative a positive and a positive: you get a positive a positive and a negative or a negative and a positive: Subtract the addend with the smaller value from the greater one. If the greater one is positive, your answer will be positive. If the greater addend is negative, your answer will be negative.