We could answer that if we knew the value of 'y'.
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Rational numbers are a subset of real numbers. They are ratios of the form x/y where x and y are integers (y ≠0). Their decimal representation are either terminating or infinitely recurring.
A decimal number is simply a way of representing a number in such a way that the place value of each digit is ten times that of the digit to its right. A decimal representation does not require a decimal point. So the required decimal representation is 120, exactly as in the question.
252
41 is a perfectly good decimal representation for the number.
It is a terminating decimal and so it is a decimal representation of a fraction.