80.9 Plus 421 Addition :

Number 1	Number 2	Answer
80.9	421	501.9

How to calculate 80.9 plus 421 ?

Let's break down the addition of 080.9 and 42100 step by step:

   080.9      <-- Start with the rightmost column
+  42100
---------

    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
+  42100
---------
     9


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

   080.9
+  42100
---------
     1.9


    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
+  42100
---------
     01.9


    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
+  42100
---------
     501.9

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

The final result is 501.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
81	422	503	81 plus 422
81.1	431	512.1	81.1 plus 431
81.2	436	517.2	81.2 plus 436
1.4	0.6	2	1.4 plus 0.6
2.4	1.2	3.6	2.4 plus 1.2
4.2	3.1	7.3	4.2 plus 3.1