Final answer:
To convert 15/4 into a mixed number, divide the numerator by the denominator. The result will be the whole number part of the mixed number, and the remainder will be the numerator of the fractional part.
Step-by-step explanation:
To convert 15/4 into a mixed number, you need to divide the numerator (15) by the denominator (4).
The result will be the whole number part of the mixed number. The remainder will be the numerator of the fractional part.
So, dividing 15 by 4 gives you 3 with a remainder of 3. Therefore, the mixed number representation of 15/4 is 3 and 3/4.