Can a "digit' be a fraction?

Problem Solving — algebra and arithmetic (GMAT Focus Edition)
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by VivianKerr » Fri Oct 07, 2011 6:25 am
No, there are only 10 numerical digits: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9.

A digit is a placeholder: https://en.wikipedia.org/wiki/Numerical_digit

A "fraction" is entirely different from a "digit."
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