Change 25% to a decimal as step one.
So, 25% becomes 0.25.
0.25 means 25/100.
We can reduce 25/100 to the lowest terms.
Doing so, we get 1/4. Do you know how 25/100 becomes 1/4?
Look here:
We divide the numerator and denominator by the greatest common factor.
25÷ 25 = 1
100 ÷ 25 = 4
Thus, we get 1/4 as the final answer.
Is this in any way clear?