Examples for

Rational Numbers

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.

Rational Numbers

Learn about properties of specific rational numbers or do calculations with them.

Compute properties of a rational number:

12/17

Do exact arithmetic on rational numbers:

(1/2 - 1/3) / (1/4 + 1/5)

More examples

Identification of Rationals

Determine whether a number is rational.

Determine whether a number is rational:

Is sqrt(1-1/5+1/9) a rational number?

is the 6th Bernoulli number rational?

More examples

Repeating Decimals

Infer the fractional forms of repeating decimal numbers or perform calculations using the repeating decimals themselves.

Compute the exact value of a repeating decimal:

.03571428571428...

Do calculations with repeating decimals:

(0.8333...)(0.1111...)/(0.22111111...)

More examples