Multiply the numerator by itself, and then the denominator by itself.
(a/b)^2 = (a ×a)/(b × b)
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The square roots of 81 are integers, not fractions. So there are no sensible ways to express them as fractions.
None. Perfect squares, by definition, are the squares of counting numbers and these cannot be fractions.
it depends on the numbers involved.. if you have examples of the fractions decimals and square roots i would be glad to help you
you do the square root of the number
Have not gotten to that in my granddaughter's math....but I would imagine taking it to the common denominator first and go from there. That's how you do fractions.