80.9 Plus 428 Addition :

Number 1	Number 2	Answer
80.9	428	508.9

How to calculate 80.9 plus 428 ?

Let's break down the addition of 080.9 and 42800 step by step:

   080.9      <-- Start with the rightmost column
+  42800
---------

    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
+  42800
---------
     9


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

   080.9
+  42800
---------
     8.9


    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
+  42800
---------
     08.9


    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
+  42800
---------
     508.9

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

The final result is 508.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
81	436	517	81 plus 436
81.1	439	520.1	81.1 plus 439
81.2	440	521.2	81.2 plus 440
8.8	5.2	14	8.8 plus 5.2
2	8	10	2 plus 8
3.1	6.6	9.7	3.1 plus 6.6