12.3 Plus 387.9 Addition :

Number 1	Number 2	Answer
12.3	387.9	400.2

How to calculate 12.3 plus 387.9 ?

Let's break down the addition of 012.3 and 387.9 step by step:

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

    Add the digits in the rightmost column:
        3 + 9 + 1 = 12
        Write down 2 in the rightmost column, carry over 1 to the next column.

   012.3
+  387.9
---------
     2


    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.

   012.3
+  387.9
---------
     0.2


    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.

   012.3
+  387.9
---------
     00.2


    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.

   012.3
+  387.9
---------
     400.2

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

The final result is 400.2.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
12.4	394.9	407.3	12.4 plus 394.9
12.5	403.9	416.4	12.5 plus 403.9
12.6	409.9	422.5	12.6 plus 409.9
1	7.7	8.7	1 plus 7.7
3.2	4.1	7.3	3.2 plus 4.1
7.6	1.2	8.8	7.6 plus 1.2