A mixed number is an integer and a fraction that is less than one (remember that x/x = 1.) To simplify 25/10, calculate how many times 10 goes into 25 by dividing 25 by 10. The answer is 2 with a remainder of 5 (10 x 2 = 20, 25-20 = 5). The mixed number is 2 and 5/10, which simplifies to 2 1/2.
