Classifying Rational Numbers

A rational number is any number that can be expressed as a fraction a/b, where a and b are integers and b is not zero.

A rational number can be identified if it can be written in the form of a fraction, including integers, terminating decimals, and repeating decimals.

5 can be expressed as 5/1.

3 1/2 can be expressed as 7/2.

To convert a decimal to a fraction, write the decimal over 1, multiply the numerator and denominator by 10 for each digit after the decimal point, and simplify.

The decimal equivalent of 1/4 is 0.25.

A proper fraction has a numerator smaller than its denominator, while an improper fraction has a numerator larger than or equal to its denominator.

To compare two rational numbers, convert them to a common denominator or convert them to decimal form.

0.75 can be expressed as 3/4.

-3 can be expressed as -3/1.