Solve Decimal Addition: 6.55 + 3.412 Step-by-Step

To avoid confusion in solving the exercise, we will first add the digit 0 to the number 6.55 as follows:

$6.550\\+3.412\\$

Now let's solve the exercise in order:

Let's add the thousandths after the decimal point:

$0+2=2$

Let's add the hundredths after the decimal point:

$5+1=6$

Let's add the tenths after the decimal point:

$5+4=9$

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

$6+3=9$

And we get:

$6.550\\+3.412\\9.962$