100.4 Plus 420 Addition :

Number 1	Number 2	Answer
100.4	420	520.4

How to calculate 100.4 plus 420 ?

Let's break down the addition of 100.4 and 42000 step by step:

   100.4      <-- 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.

   100.4
+  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.

   100.4
+  42000
---------
     0.4


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

   100.4
+  42000
---------
     20.4


    Add the digits in the rightmost column:
        1 + 4 + 0 = 5
        Write down 5 in the rightmost column, carry over 0 to the next column.

   100.4
+  42000
---------
     520.4

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

The final result is 520.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
100.5	427	527.5	100.5 plus 427
100.6	434	534.6	100.6 plus 434
100.7	436	536.7	100.7 plus 436
7.2	9.3	16.5	7.2 plus 9.3
5.3	6.1	11.4	5.3 plus 6.1
6.6	8.1	14.7	6.6 plus 8.1