If you need the square root of a number the best thing to do is use a calculator. the numerical method is much too cumbersome. if this doesn't answer your question, post an example
This isn't a question without a question mark.
Answer:
Equivalent fractions are different fractions that name the same number. The numerator and the denominator of a fraction must be multiplied by the same nonzero whole number in order to have equivalent fractions.