To convert the mixed number 2 1/4 into a decimal, we need to break it down into its components. The number consists of an integer part (2) and a fractional part (1/4).
First, we convert the fraction 1/4 into a decimal. Dividing 1 by 4 gives us 0.25. Next, we add this decimal value to the integer part.
So, we have:
2 + 0.25 = 2.25
Therefore, the decimal representation of 2 1/4 is 2.25.