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Numbers that can't be expressed as fractions

An irrational number is any real number that cannot be expressed as a ratio a/b, where a and b are integers, with b non-zero, and is therefore not a rational number. This means that an irrational number cannot be represented as a simple fraction. Irrational Numbers are also those real numbers that cannot be represented as terminating or repeating decimals.

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7y ago
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9y ago

A rational number is a number that can be expressed as a ratio of two integers. An irrational number is a real number that is not a rational number.

In decimal form, a rational number is either a terminating decimal or a decimal which becomes a finite string of digits that recur infinitely. An irrational number is an infinite decimal which never settles into a recurring string of digits.

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15y ago

Pi and the square root of two, to name a couple

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12y ago

Numbers that can't be expressed as fractions are irrational

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Q: What numbers are irrational?
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