1.1429
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Well, hello there! -87 is indeed a rational number. You see, a rational number is any number that can be expressed as a fraction where the numerator and denominator are both integers. So, rest assured, -87 fits this definition perfectly. Just like a happy little tree, every number has its place in the mathematical world.
is it?
It is a (not an) rational number.
87 is an integer and not a fraction. However, it can be expressed in rational form as 87/1. You can then calculate equivalent rational fractions if you multiply both, its numerator and denominator, by any non-zero integer.
87 is an integer and not a fraction. However, it can be expressed in rational form as 87/1 which cannot be simplified.
8700 is a positive even rational composite number
As much as, in these days of uncertainty, anything can be anything. As long as the constraints of a rational number are kept to, a rational number will always remain a rational number.