main fraction:22/7 most accurate fraction:355/133
355/113 = 3.141593
it is the 1 you wont the most
There is no such thing as a common fraction. The nearest phrase is a common factor, but a single number cannot have a COMMON factor since there is nothing for the commonality.
YES!!! A Fraction is a RATIO , hence it is RATIOnal. NB Irrational numbers are those decimals that CANNOT be converted to a Ratio/Fraction/Quotient. pi ~ 3.141592..... is the most famous Irrational Number.
Yes, negative numbers can most certainly be rational. A rational number is simply a number which can be expressed as a fraction. An example of a negative rational number is: -1/2
355/113 = 3.141593
Pi, being irrational, has an endless number of digits to the right of the decimal, as you know. But for almost any application, even basic engineering, a value of 3.1417 is highly accurate.
improper fraction
improper fraction
The most accurate fraction for the amount of oxygen in Earth's atmosphere is about 1/5. Oxygen makes up about 21% of the Earth's atmosphere.
improper fraction
improper fraction
improper fraction
improper fraction
improper fraction
an improper fraction
In most cases you cannot since the square root is an irrational number, unlike a fraction which is rational.