You need to call your number "x", then write the following two equations:(Equation 1) x = 0.727272...
Multiplying by 100, you get:
(Equation 2) 100x = 72.727272...
If you subtract equation 1 from equation 2, and solve for "x", you will get the number as a fraction.
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I assume that the decimal part is repeating to infinity. Then 1.571429 written as a fraction is 1 and 4/7.
45 over 100 or simplified as 9 over 20
9.555... repeating as an improper fraction in its simplest form is 86/9
To convert a one digit repeating decimal, make a fraction of that digit over 9, so 55/99 = 5/9 You can convert any repeating digits by putting them over the same number of 9s.
Call your number "x". Write the following:x = 0.484848... 100x = 48.484848... Subtract the first equation from the second equation. This will give you "x" as a fraction. See if you can simplify it.