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	392	405	13 plus 392
13.1	399	412.1	13.1 plus 399
13.2	408	421.2	13.2 plus 408
3	7.5	10.5	3 plus 7.5
8	8.5	16.5	8 plus 8.5
0.6	1.9	2.5	0.6 plus 1.9