Not all fractions can be written exactly as a decimal. 1/3, for example, which is approximately 0.333 ...... actually extends to any number of digits one may wish to write and is still not mathematically exact.
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Not all, as some numbers, which are known as "Irrational Numbers" cannot be written in the form, p/q where q doesn't = 0.
Examples are: √2 √3 √5 as they are never ending(non terminating) and non repeating.
Also pi is a irrational which is 22/7 only by approximation, its actual value is not just 3.14 but it is 3.14159265....
nearly all
that is called an irrational number
Any number that can be written in fraction form is a rational number. This includes integers , terminating decimals , and repeating decimals as well as fractions. An integer can be written as a fraction simply by giving it a denominator of one so any integer in a rational number.
The only prime factors are 2 and 5.
Restate the question: If you can write a fraction as a decimal, can you write a decimal as a fraction?Yes.