1 is a rational number, as you can express it as a fraction: 1/1 = 2/2 = 3/3 = 4/4 ... n/n = 1 for finite n.
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Negative 1 is a rational number. It is an integer (though not a counting number) and all integers are rational.
A rational number which is an integer can be simplified to a form in which the denominator is 1. That is not possible for a rational number which is not an integer.
101 is a rational number. It can also be written as 101/1
The number 1/14 is a rational number. A rational number is any number that can be expressed as a fraction where the numerator and denominator are both integers. In this case, 1/14 can be written as a fraction with 1 as the numerator and 14 as the denominator, making it a rational number.
Answer: 1 already is a rational number. If you want to get technical, you could write it as 1/1. Answer: Any integer is a rational number. No matter how you write it, it will still be a rational number. Answer: 10/10, 2/2, 3/3, 365/365, etc.