Yes, all fractions are indeed rational numbers. A rational number is defined as any number that can be expressed as the quotient or fraction a/b, where a and b are integers and b is not zero.
For example, the fraction 3/4 is a rational number because it can be written in the form of one integer divided by another. In this case, 3 is the numerator and 4 is the denominator. Similarly, -2/5 is also a rational number since it represents a ratio of two integers, despite being negative.
It’s important to note that every fraction, whether positive, negative, or zero in the numerator, meets the criteria of a rational number. Also, whole numbers can be expressed as fractions (like 5 as 5/1), reinforcing that all fractions belong to the broad category of rational numbers.