20.4 Plus 402.9 Addition :

Number 1	Number 2	Answer
20.4	402.9	423.3

How to calculate 20.4 plus 402.9 ?

Let's break down the addition of 020.4 and 402.9 step by step:

   020.4      <-- Start with the rightmost column
+  402.9
---------

    Add the digits in the rightmost column:
        4 + 9 + 1 = 13
        Write down 3 in the rightmost column, carry over 1 to the next column.

   020.4
+  402.9
---------
     3


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

   020.4
+  402.9
---------
     3.3


    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
+  402.9
---------
     23.3


    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
+  402.9
---------
     423.3

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

The final result is 423.3.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
20.5	408.9	429.4	20.5 plus 408.9
20.6	415.9	436.5	20.6 plus 415.9
20.7	420.9	441.6	20.7 plus 420.9
3.9	0.5	4.4	3.9 plus 0.5
8.3	9.8	18.1	8.3 plus 9.8
5.4	1	6.4	5.4 plus 1