I am assuming that 66.6% is an approximate value. Its exact value is 2/3.
The fraction form of 66.6% is 500 333 . ;
66.6% can be converted to the fraction 3 2 by first writing it as 100 66.6 and simplifying. After converting the decimal to a fraction, we find that both 666 and 1000 can be simplified to yield 3 2 .
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