Decimal Subtraction: Solve 1.123 - 1.01 Step by Step

To avoid confusion in solving the exercise, we'll first add the digit 0 to the number 1.01 as follows:

$1.123\\-1.010\\$

Now let's solve the exercise in order:

Let's subtract the thousands after the decimal point:

$3-0=3$

Let's subtract the hundreds after the decimal point:

$2-1=1$

Let's subtract the tenths after the decimal point:

$1-0=1$

Finally, let's subtract the whole numbers before the decimal point:

$1-1=0$

And we obtain the following:

$1.123\\-1.010\\0.113$