12.5 Plus 408.4 Addition :

Number 1	Number 2	Answer
12.5	408.4	420.9

How to calculate 12.5 plus 408.4 ?

Let's break down the addition of 012.5 and 408.4 step by step:

   012.5      <-- Start with the rightmost column
+  408.4
---------

    Add the digits in the rightmost column:
        5 + 4 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   012.5
+  408.4
---------
     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.

   012.5
+  408.4
---------
     0.9


    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.

   012.5
+  408.4
---------
     20.9


    Add the digits in the rightmost column:
        0 + 4 + 0 = 4
        Write down 4 in the rightmost column, carry over 0 to the next column.

   012.5
+  408.4
---------
     420.9

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

The final result is 420.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
12.6	414.4	427	12.6 plus 414.4
12.7	417.4	430.1	12.7 plus 417.4
12.8	426.4	439.2	12.8 plus 426.4
7.4	4.3	11.7	7.4 plus 4.3
0.9	2.1	3	0.9 plus 2.1
7	6.1	13.1	7 plus 6.1