20.5 Plus 400.4 Addition :

Number 1	Number 2	Answer
20.5	400.4	420.9

How to calculate 20.5 plus 400.4 ?

Let's break down the addition of 020.5 and 400.4 step by step:

   020.5      <-- Start with the rightmost column
+  400.4
---------

    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.

   020.5
+  400.4
---------
     9


    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.

   020.5
+  400.4
---------
     0.9


    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.

   020.5
+  400.4
---------
     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.

   020.5
+  400.4
---------
     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 ?
20.6	402.4	423	20.6 plus 402.4
20.7	411.4	432.1	20.7 plus 411.4
20.8	417.4	438.2	20.8 plus 417.4
7	9.5	16.5	7 plus 9.5
9.5	0.6	10.1	9.5 plus 0.6
8.3	3.1	11.4	8.3 plus 3.1