22/7
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Pi is an irrational number, meaning that it cannot be written as the ratio of two integers (fractions such as 22/7 are commonly used to approximate pi; no common fraction (ratio of whole numbers) can be its exact value).
Pi is an irrational number, meaning that it cannot be written as the ratio of two integers (fractions such as 22/7 are commonly used to approximate pi; no common fraction (ratio of whole numbers) can be its exact value).
There is no finite-length decimal number for pi. The decimal for pi goes on until infinity! The most commonly used approximation is 3.14
pi is irrational so there can be no fraction that is equivalent. 22/7 is often used as a simple approximation.
main fraction:22/7 most accurate fraction:355/133