The answer is 3 1/8.
To solve, first divide 25 by 8. You will get 3, with a remainder of 1. 3 becomes the whole number, 1 becomes the numerator, and 8 remains the denominator. To check your work, multiply the denominator by the whole number and add the numerator (8 x 3 = 24 + 1 = 25).
