10.8 Plus 80 Addition :

Number 1	Number 2	Answer
10.8	80	90.8

How to calculate 10.8 plus 80 ?

Let's break down the addition of 10.8 and 8000 step by step:

   10.8      <-- Start with the rightmost column
+  8000
---------

    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.

   10.8
+  8000
---------
     8


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

   10.8
+  8000
---------
     0.8


    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.

   10.8
+  8000
---------
     90.8

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

The final result is 90.8.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
10.9	89	99.9	10.9 plus 89
11	93	104	11 plus 93
11.1	99	110.1	11.1 plus 99
3	4.6	7.6	3 plus 4.6
9.2	4	13.2	9.2 plus 4
4.5	6.7	11.2	4.5 plus 6.7