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.
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9.555... repeating as an improper fraction in its simplest form is 86/9
6.666666667 can be expressed as a fraction by recognizing the recurring decimal pattern. To convert this to a fraction, we can set it as x = 6.666666667 and then subtract the non-repeating part from the repeating part to get 1000x - x = 6666.666667 - 6.666666667. Simplifying this gives us 999x = 6660, and dividing both sides by 999 yields x = 6660/999. Therefore, 6.666666667 as a fraction is 6660/999, which can be further simplified to 740/111.
2/3 2/3 = 0.66666....
I assume that the decimal part is repeating to infinity. Then 1.571429 written as a fraction is 1 and 4/7.
3.72 = 372/100 = 93/25