Change the fractions using common denominator 5/7

Please give me the answer to this question

there is no one answer

5/7 = 10/14 = 25/35 and so on
of course, that does not change the value of the fraction. Not sure just what you're after here.

Remember: It's not my job to figure out what you mean.
It's your job to say it so clearly you cannot be misunderstood.