12.3 Plus 309 Addition :

Number 1	Number 2	Answer
12.3	309	321.3

How to calculate 12.3 plus 309 ?

Let's break down the addition of 012.3 and 30900 step by step:

   012.3      <-- Start with the rightmost column
+  30900
---------

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

   012.3
+  30900
---------
     3


    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.

   012.3
+  30900
---------
     1.3


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

   012.3
+  30900
---------
     21.3


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

   012.3
+  30900
---------
     321.3

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

The final result is 321.3.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
12.4	316	328.4	12.4 plus 316
12.5	317	329.5	12.5 plus 317
12.6	320	332.6	12.6 plus 320
8.2	5.2	13.4	8.2 plus 5.2
7.9	7.2	15.1	7.9 plus 7.2
9	6.4	15.4	9 plus 6.4