No, it is rational. A rational number is one which can be expressed as a ratio between two integers. Since 22 and 7 are both integers, then 22 over 7 is rational.
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No. It is a rough but rational approximation for the irrational number, pi...Which can expressed as a fraction 22/7.
Rational
No, it is rational 56/7 = 8 which is rational
pi is irrational so there can be no fraction that is equivalent. 22/7 is often used as a simple approximation.
No, a fraction such as 22/7 (approximately pi), is a non-terminating, non-repeating fraction, making it irrational.