Calculate the Sum: 111.25 + 112.3 Decimal Addition

To avoid confusion when solving the exercise, we will first add the digit 0 to the number 112.3 as follows:

$111.25\\+112.30\\$

First we'll combine the hundredths after the decimal point:

$5+0=5$

Next we'll combine the tenths after the decimal point:

$2+3=5$

Finally, we'll combine the whole numbers before the decimal point accordingly:

$1+2=3$

$1+1=2$

$1+1=2$

This gives us:

$111.25\\+112.30\\223.55$