Evaluate 19.500-17.8

Set up the subtraction problem in long subtraction format.

Subtract ${\displaystyle 0}$ from ${\displaystyle 0}$.

Subtract ${\displaystyle 0}$ from ${\displaystyle 0}$.

Borrow ${\displaystyle 10}$ from the digit in the next column to the left. Add the borrowed ${\displaystyle 10}$ to ${\displaystyle 5}$. Reduce the number that was borrowed from by ${\displaystyle 1}$.

Subtract ${\displaystyle 8}$ from ${\displaystyle 15}$.

Subtract ${\displaystyle 7}$ from ${\displaystyle 8}$.

Subtract ${\displaystyle 1}$ from ${\displaystyle 1}$.