9.9 Plus 80.4 Addition :

Number 1	Number 2	Answer
9.9	80.4	90.3

How to calculate 9.9 plus 80.4 ?

Let's break down the addition of 09.9 and 80.4 step by step:

   09.9      <-- Start with the rightmost column
+  80.4
---------

    Add the digits in the rightmost column:
        9 + 4 + 1 = 13
        Write down 3 in the rightmost column, carry over 1 to the next column.

   09.9
+  80.4
---------
     3


    Add the digits in the rightmost column:
        9 + 0 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   09.9
+  80.4
---------
     0.3


    Add the digits in the rightmost column:
        0 + 8 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   09.9
+  80.4
---------
     90.3

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

The final result is 90.3.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
10	89.4	99.4	10 plus 89.4
10.1	91.4	101.5	10.1 plus 91.4
10.2	100.4	110.6	10.2 plus 100.4
6.4	2.3	8.7	6.4 plus 2.3
0.3	5.6	5.9	0.3 plus 5.6
0.6	2.7	3.3	0.6 plus 2.7