100.9 Plus 420 Addition :

Number 1	Number 2	Answer
100.9	420	520.9

How to calculate 100.9 plus 420 ?

Let's break down the addition of 100.9 and 42000 step by step:

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

    Add the digits in the rightmost column:
        9 + 0 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   100.9
+  42000
---------
     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.

   100.9
+  42000
---------
     0.9


    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.

   100.9
+  42000
---------
     20.9


    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.

   100.9
+  42000
---------
     520.9

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

The final result is 520.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
101	429	530	101 plus 429
101.1	430	531.1	101.1 plus 430
101.2	434	535.2	101.2 plus 434
5	1.5	6.5	5 plus 1.5
1.8	5.2	7	1.8 plus 5.2
8.5	5.4	13.9	8.5 plus 5.4