That depends on how precise you want the approximation.
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22/7 * * * * * Since pi is a transcendental number, which is a kind of irrational number, there is no fractional form of pi. 22/7 is merely a fractional approximation.
22/7 (twenty two-sevenths). * * * * * Since pi is a transcendental number, which is a kind of irrational number, there is no fractional form of pi. 22/7 is merely a fractional approximation.
pi is irrational so there can be no fraction that is equivalent. 22/7 is often used as a simple approximation.
Fractional representations of irrational numbers won't be accurate. Many people have used 355/113 as a close approximation.
Think of pi as infinity. It never ends. You might mean "3.14" as an approximation of pi, though.