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	83.9	94.4	10.5 plus 83.9
10.6	85.9	96.5	10.6 plus 85.9
10.7	88.9	99.6	10.7 plus 88.9
4.3	9.7	14	4.3 plus 9.7
2.9	1.5	4.4	2.9 plus 1.5
3	3.6	6.6	3 plus 3.6