# Keyword Analysis & Research: rationalize math

## Keyword Research: People who searched rationalize math also searched

What does rationalize mean in math?

rationalization - (mathematics) the simplification of an expression or equation by eliminating radicals without changing the value of the expression or the roots of the equation. rationalisation.

What does it mean to rationalize denominator?

Rationalize the Denominator. "Rationalizing the denominator" is when we move a root (like a square root or cube root) from the bottom of a fraction to the top.

How do you rationalize a denominator?

To rationalize a denominator, multiply the fraction by a "clever" form of 1--that is, by a fraction whose numerator and denominator are both equal to the square root in the denominator.

Why do we rationalize the denominator?

The main reason for "rationalizing" denominators is that when we add fractions we have to get common denominators. And that is typically easier if there are no square roots in the denominators. However, there are times when we want to rationalize the numerator.