10.4 Plus 80.9 Addition :

Number 1	Number 2	Answer
10.4	80.9	91.3

How to calculate 10.4 plus 80.9 ?

Let's break down the addition of 10.4 and 80.9 step by step:

   10.4      <-- Start with the rightmost column
+  80.9
---------

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

   10.4
+  80.9
---------
     3


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

   10.4
+  80.9
---------
     1.3


    Add the digits in the rightmost column:
        1 + 8 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   10.4
+  80.9
---------
     91.3

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

The final result is 91.3.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
10.5	87.9	98.4	10.5 plus 87.9
10.6	91.9	102.5	10.6 plus 91.9
10.7	100.9	111.6	10.7 plus 100.9
1.7	3.9	5.6	1.7 plus 3.9
1.8	7.8	9.6	1.8 plus 7.8
9.6	7.1	16.7	9.6 plus 7.1