The set of rational numbers consists of all numbers expressible as a quotient of integers. Wolfram|Alpha can compute properties of rational numbers, perform arithmetic with them and check whether numbers are in fact rational.
Learn about properties of specific rational numbers or do calculations with them.
Compute properties of a rational number:
Do exact arithmetic on rational numbers:
Infer the fractional forms of repeating decimal numbers or perform calculations using the repeating decimals themselves.
Compute the exact value of a repeating decimal:
Do calculations with repeating decimals:
Determine whether a number is rational.