Calculate the Difference: 0.25 - 0.1 Decimal Subtraction

To solve the subtraction problem $0.25 - 0.1$, follow these steps:

• Step 1: Align the numbers vertically, ensuring that the decimal points line up:

   0.25
-  0.10
-------

• Step 2: Start subtracting from the rightmost column. The tenths position involves subtracting $5$ from $0$, resulting in $5$.
• Step 3: Move to the next column to the left. Subtract $0.1$ from $0.2$, which gives $0.15$.
• Step 4: The integer part of both numbers is zero, there is nothing to subtract here.

The result of the subtraction is $0.15$.