12.2 Plus 387.9 Addition :

Number 1	Number 2	Answer
12.2	387.9	400.1

How to calculate 12.2 plus 387.9 ?

Let's break down the addition of 012.2 and 387.9 step by step:

   012.2      <-- Start with the rightmost column
+  387.9
---------

    Add the digits in the rightmost column:
        2 + 9 + 1 = 11
        Write down 1 in the rightmost column, carry over 1 to the next column.

   012.2
+  387.9
---------
     1


    Add the digits in the rightmost column:
        2 + 7 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   012.2
+  387.9
---------
     0.1


    Add the digits in the rightmost column:
        1 + 8 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   012.2
+  387.9
---------
     00.1


    Add the digits in the rightmost column:
        0 + 3 + 0 = 4
        Write down 4 in the rightmost column, carry over 0 to the next column.

   012.2
+  387.9
---------
     400.1

    Continue to the left:
        There are no more columns to the left.

The final result is 400.1.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
12.3	392.9	405.2	12.3 plus 392.9
12.4	393.9	406.3	12.4 plus 393.9
12.5	400.9	413.4	12.5 plus 400.9
8	8.3	16.3	8 plus 8.3
9	9.9	18.9	9 plus 9.9
7.6	1.8	9.4	7.6 plus 1.8