To convert the mixed number 2 1/2 into a decimal, you will need to follow a simple process. First, you separate the whole number from the fraction. In this case, the whole number is 2.
Next, you convert the fraction 1/2 into a decimal. You can do this by dividing the numerator (1) by the denominator (2). So, 1 ÷ 2 = 0.5.
Now, add the decimal you calculated (0.5) to the whole number (2). This gives you:
2 + 0.5 = 2.5
Therefore, the decimal form of 2 1/2 is 2.5.