No.
No.
3 over 25.
To 3/1
3 / 25
9 over 25 which cannot be reduced
3/25
3 over 5
6/50 = 3/25
48/400 = 3/25
12/100 equals 3/25 reduced to its lowest terms
Yes, the fraction 57/75 can be reduced. Divide the numerator and denominator by 3, and you get the reduced fraction 19/25 (19 over 25).
6/25 cannot be reduced.