The sign of rational number
a) if there sum is positive, then both of the rational number is positive and will have a '+' sign.
Example :- 4 + 4 = 8
b) their product is positive , then when both of them is negative or both of them is positive.
Example :- 4 x 4 = 16
- 4 x (-4) = 16
c) their quotient is positive then when both of them is negative or both of them is positive.
Example :- ab / cd , -ab/ - cd
In mathematics, a rational number is a number that can be expressed as the quotient or fraction p/q of two integers, a numerator p and a non-zero denominator q.
Any fraction with non-zero denominators is a rational number. Some of the examples of rational numbers are 1/2, 1/5, 3/4, and so on.
For example 4 is a rational number because it satisfies the condition of rational numbers. 4 can be expressed as a ratio such as 4/1, where the denominator is not equal to zero.
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