28 1/2 - 13 5/16

15 7/16

To subtract 13 5/16 from 28 1/2, you can follow these steps:

Step 1: Convert both mixed numbers to improper fractions.
28 1/2 becomes (2 * 28) + 1/2 = 56/2 + 1/2 = 57/2
13 5/16 becomes (16 * 13) + 5/16 = 208/16 + 5/16 = 213/16

Step 2: Subtract the two fractions.
57/2 - 213/16

To do this, we need to have the same denominator for both fractions. The least common multiple (LCM) of 2 and 16 is 16.

Step 3: Convert both fractions to have a denominator of 16.

57/2 * 8/8 = 456/16
213/16

Step 4: Subtract the two fractions.

456/16 - 213/16 = (456 - 213)/16 = 243/16

Step 5: Simplify the result if necessary.
The fraction 243/16 cannot be simplified further.

Therefore, the result of subtracting 13 5/16 from 28 1/2 is 243/16.