80.3 Plus 409 Addition :

Number 1	Number 2	Answer
80.3	409	489.3

How to calculate 80.3 plus 409 ?

Let's break down the addition of 080.3 and 40900 step by step:

   080.3      <-- Start with the rightmost column
+  40900
---------

    Add the digits in the rightmost column:
        3 + 0 + 0 = 3
        Write down 3 in the rightmost column, carry over 0 to the next column.

   080.3
+  40900
---------
     3


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

   080.3
+  40900
---------
     9.3


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

   080.3
+  40900
---------
     89.3


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

   080.3
+  40900
---------
     489.3

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

The final result is 489.3.

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Number 1	Number 2	ANSWER:	HOW TO ?
80.4	415	495.4	80.4 plus 415
80.5	421	501.5	80.5 plus 421
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8.4	0.4	8.8	8.4 plus 0.4
5.6	1.8	7.4	5.6 plus 1.8
1.7	1.8	3.5	1.7 plus 1.8