Three Rational Numbers

Rational numbers are numbers that can be expressed as a fraction or a ratio of two integers, with the denominator not equal to zero. In other words, rational numbers can be written in the form p/q, where p and q are integers and q is not equal to 0. Let's explore three examples of rational numbers.

1. Rational Number: 2/3

The number 2/3 is a rational number because it can be written as a fraction with an integer numerator (2) and an integer denominator (3). It represents the ratio of two quantities. For example, if we have 2 out of 3 equal parts, then it can be expressed as 2/3.

2. Rational Number: -5/7

The number -5/7 is also a rational number because it can be written as a fraction with an integer numerator (-5) and an integer denominator (7). It represents a negative ratio of two quantities. For example, if we owe 5 dollars out of 7 dollars, then it can be expressed as -5/7.

3. Rational Number: 0.6

The decimal number 0.6 can be expressed as a rational number by writing it as a fraction. To convert 0.6 to a fraction, we can express it as 6/10. Since both 6 and 10 are integers, and the denominator is not zero, 0.6 is a rational number.

Summary:

- Rational numbers are numbers that can be expressed as a fraction or a ratio of two integers.
- The numerator and denominator of a rational number are integers.
- The denominator of a rational number cannot be zero.
- Examples of rational numbers include 2/3, -5/7, and 0.6 (which can be written as 6/10).

Rational numbers have a wide range of applications in mathematics, science, and everyday life. They provide a way to represent quantities and ratios precisely. Understanding rational numbers is essential for various mathematical operations, such as addition, subtraction, multiplication, and division.

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