Answer :

You must divide the numerator and denominator by the great common multiple.  The greatest common multiple of 25 and 55 is 5.  25 divided by 5 equals 5 (numerator), and 55x divided by 5 is 11x (denominator).  Therefore the answer is A. 5/11x

iGreen
25/55

Divide both the numerator and denominator by 5.

25 / 5 = 5
55 / 5 = 11

So 22/55x simplified is 5/11x

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