We know that 17 over 25 is a fraction. To convert to decimal we have to do - Numerator / Denominator.
Numerator: We call the top number the Numerator, it is the number at the top of the fraction you have.
Denominator: We call the bottom number the Denominator, it is the whole number that is at the bottom, it is the number that is divided into.
To solve this problem we have to set up long division.
17 / 25 = 0.68
0.68 is a terminating decimal.