20.4 Plus 420 Addition :

Number 1	Number 2	Answer
20.4	420	440.4

How to calculate 20.4 plus 420 ?

Let's break down the addition of 020.4 and 42000 step by step:

   020.4      <-- Start with the rightmost column
+  42000
---------

    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
+  42000
---------
     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
+  42000
---------
     0.4


    Add the digits in the rightmost column:
        2 + 2 + 0 = 4
        Write down 4 in the rightmost column, carry over 0 to the next column.

   020.4
+  42000
---------
     40.4


    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
+  42000
---------
     440.4

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

The final result is 440.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
20.5	426	446.5	20.5 plus 426
20.6	429	449.6	20.6 plus 429
20.7	434	454.7	20.7 plus 434
3.5	1.7	5.2	3.5 plus 1.7
0.3	8.7	9	0.3 plus 8.7
1.6	1.6	3.2	1.6 plus 1.6