Is \( \frac{6}{7} \) a rational number?

Absolutely! Any number that can be expressed as a fraction of two integers where the denominator is not zero is classified as a rational number. Since \( \frac{6}{7} \) fits the bill—6 is an integer and 7 is also an integer (not zero)—it’s officially rational. So you can strut around saying “I know a rational number!” with pride! In the wider mathematical world, rational numbers can be represented as terminating or repeating decimals. For instance, \( \frac{6}{7} \) translates to approximately 0.857142857..., a repeating decimal. This means that rational numbers like \( \frac{6}{7} \) are just a tiny snapshot on the vast canvas of numbers out there!