20.4 Plus 400 Addition :

Number 1	Number 2	Answer
20.4	400	420.4

How to calculate 20.4 plus 400 ?

Let's break down the addition of 020.4 and 40000 step by step:

   020.4      <-- Start with the rightmost column
+  40000
---------

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

   020.4
+  40000
---------
     4


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

   020.4
+  40000
---------
     0.4


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

   020.4
+  40000
---------
     20.4


    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.

   020.4
+  40000
---------
     420.4

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

The final result is 420.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
20.5	404	424.5	20.5 plus 404
20.6	407	427.6	20.6 plus 407
20.7	415	435.7	20.7 plus 415
0.4	9	9.4	0.4 plus 9
9.6	7.7	17.3	9.6 plus 7.7
7.7	7	14.7	7.7 plus 7