rational numbers
Any number that can be written as a ratio of a/b where a and b are integers and b is not equal to 0.
Rational numbers are numbers that can be expressed as a ratio of two integers (whole numbers) where the denominator is not zero. It means that a rational number can be represented in the form of p/q, where p and q are both integers and q is not equal to zero.
Some examples of rational numbers are 2/3, -5/11, 1/2, -2/5, 5/1, and 0.25 (which can also be written as 1/4).
It is important to note that not all numbers are rational. For example, irrational numbers cannot be expressed as a ratio of two integers. Examples of irrational numbers are pi (3.14159…) and the square root of 2 (1.41421…).
Rational numbers are closed under addition, subtraction, multiplication, and division. This means that when you add, subtract, multiply, or divide two rational numbers, the result will always be another rational number.
In everyday life, rational numbers are commonly used in calculations and measurements, such as calculating distances, cooking recipes, and financial calculations.
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