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	426	526.5	100.5 plus 426
100.6	430	530.6	100.6 plus 430
100.7	436	536.7	100.7 plus 436
9.3	9.3	18.6	9.3 plus 9.3
7.3	6.2	13.5	7.3 plus 6.2
1.7	0.6	2.3	1.7 plus 0.6