1. The problem is to subtract 65 from 116. 2. The subtraction formula is $a - b = c$, where $a$ is the minuend, $b$ is the subtrahend, and $c$ is the difference. 3. Substitute the values: $116 - 65$. 4. Perform the subtraction: $116 - 65 = 51$. 5. Therefore, the answer is $51$.