12.9 Plus 122.4 Addition :

Number 1	Number 2	Answer
12.9	122.4	135.3

How to calculate 12.9 plus 122.4 ?

Let's break down the addition of 012.9 and 122.4 step by step:

   012.9      <-- Start with the rightmost column
+  122.4
---------

    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
+  122.4
---------
     3


    Add the digits in the rightmost column:
        2 + 2 + 0 = 5
        Write down 5 in the rightmost column, carry over 0 to the next column.

   012.9
+  122.4
---------
     5.3


    Add the digits in the rightmost column:
        1 + 2 + 0 = 3
        Write down 3 in the rightmost column, carry over 0 to the next column.

   012.9
+  122.4
---------
     35.3


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

   012.9
+  122.4
---------
     135.3

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

The final result is 135.3.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
13	129.4	142.4	13 plus 129.4
13.1	135.4	148.5	13.1 plus 135.4
13.2	139.4	152.6	13.2 plus 139.4
3.8	3.1	6.9	3.8 plus 3.1
5	5.8	10.8	5 plus 5.8
4.5	8.2	12.7	4.5 plus 8.2