Solve Decimal Subtraction: 22.1 - 12.0 in Vertical Format

Let's solve the exercise in order.

First, we'll subtract the tenths after the decimal point:

$1-0=1$

Then, we'll subtract the whole numbers before the decimal point accordingly:

$2-2=0$

$2-1=1$

We get:

$22.1\\-12.0\\10.1$