**Mathematical Expression: 50 + 0.25 - 1/4**

In this article, we will evaluate a mathematical expression that involves addition, subtraction, and division. The expression is:

**50 + 0.25 - 1/4**

To evaluate this expression, we need to follow the order of operations (PEMDAS):

### Step 1: Add 50 and 0.25

The first step is to add 50 and 0.25.

**50 + 0.25 = 50.25**

### Step 2: Evaluate the fraction 1/4

The next step is to evaluate the fraction 1/4.

**1/4 = 0.25**

### Step 3: Subtract 0.25 from 50.25

Now, we subtract 0.25 from 50.25.

**50.25 - 0.25 = 50**

Therefore, the final answer is:

**50**

So, the value of the expression 50 + 0.25 - 1/4 is **50**.