12.9 Plus 387.4 Addition :

Number 1	Number 2	Answer
12.9	387.4	400.3

How to calculate 12.9 plus 387.4 ?

Let's break down the addition of 012.9 and 387.4 step by step:

   012.9      <-- Start with the rightmost column
+  387.4
---------

    Add the digits in the rightmost column:
        9 + 4 + 1 = 13
        Write down 3 in the rightmost column, carry over 1 to the next column.

   012.9
+  387.4
---------
     3


    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.

   012.9
+  387.4
---------
     0.3


    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
+  387.4
---------
     00.3


    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
+  387.4
---------
     400.3

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

The final result is 400.3.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
13	393.4	406.4	13 plus 393.4
13.1	397.4	410.5	13.1 plus 397.4
13.2	399.4	412.6	13.2 plus 399.4
3.2	4.3	7.5	3.2 plus 4.3
6.4	9.7	16.1	6.4 plus 9.7
5.3	5	10.3	5.3 plus 5