Question

 How to Tell That a Number Is Rational?

Answer The easiest way to tell if a number is rational or not is to attempt to express it as a fraction. If you can, then the number is rational. If not, then the number is irrational. According to Math I... Read More »
http://www.ehow.com/how_8334976_tell-number-rational.html

Top Q&A For: How to Tell That a Number Is Rational

What does it mean for a number to be rational?

A rational number is any number that can be expressed by a simple fraction. Four, for example, is written as 4/1; 0.75 is 3/4. Numbers that can't be turned into simple fractions are irrational. Wit... Read More »
http://www.answerbag.com/q_view/2082518

Is 0 a rational number?

Yes. A rational number is any number that can be expressed as a whole number, fraction or mixed number. Zero can be expressed as "0" or "zero," or as a fraction such as 0/2. Pi is an example of an ... Read More »
http://www.answerbag.com/q_view/2110011

Is 40 a rational or irrational number?

The number 40 is a rational number. According to Wolfram Research's Math World, a rational number is any number that can be expressed as the ratio of two integers. The integers are represented by a... Read More »
http://www.answerbag.com/q_view/2240510

How to Tell if a Number Is a Rational Decimal?

A rational number is a number that is nameable -- that is, something easily stated and identified. It can be a whole number, a mixed number, a fraction and a decimal. Rational decimals are numbers ... Read More »
http://www.ehow.com/how_8234477_tell-number-rational-decimal.html


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