12.9 Plus 388 Addition :

Number 1	Number 2	Answer
12.9	388	400.9

How to calculate 12.9 plus 388 ?

Let's break down the addition of 012.9 and 38800 step by step:

   012.9      <-- Start with the rightmost column
+  38800
---------

    Add the digits in the rightmost column:
        9 + 0 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   012.9
+  38800
---------
     9


    Add the digits in the rightmost column:
        2 + 8 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   012.9
+  38800
---------
     0.9


    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.

   012.9
+  38800
---------
     00.9


    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.

   012.9
+  38800
---------
     400.9

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

The final result is 400.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
13	391	404	13 plus 391
13.1	399	412.1	13.1 plus 399
13.2	407	420.2	13.2 plus 407
7.1	4.7	11.8	7.1 plus 4.7
5.2	6.5	11.7	5.2 plus 6.5
4.6	3.6	8.2	4.6 plus 3.6