circumference of a circle = 2*pi*radius or pi*diameter
it is unclear what you are asking, but if you are saying that your Diameter is 14 and you are requesting a fractional approach then look at the following to see if it helps. Using the formula above, Pi can be represented as the fraction 22/7. This could also be stated as 44/14.
44/14 x 14 = 44
Using a calculator and choosing pi as the multiplier we get 43.98229715 which is a pretty close approximation of 44.
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