80.9 Plus 420 Addition :

Number 1	Number 2	Answer
80.9	420	500.9

How to calculate 80.9 plus 420 ?

Let's break down the addition of 080.9 and 42000 step by step:

   080.9      <-- 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.

   080.9
+  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.

   080.9
+  42000
---------
     0.9


    Add the digits in the rightmost column:
        8 + 2 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   080.9
+  42000
---------
     00.9


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

   080.9
+  42000
---------
     500.9

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

The final result is 500.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
81	425	506	81 plus 425
81.1	428	509.1	81.1 plus 428
81.2	433	514.2	81.2 plus 433
5.6	9.1	14.7	5.6 plus 9.1
0.7	9.4	10.1	0.7 plus 9.4
2.7	6.8	9.5	2.7 plus 6.8