11.8 Plus 80 Addition :

Number 1	Number 2	Answer
11.8	80	91.8

How to calculate 11.8 plus 80 ?

Let's break down the addition of 11.8 and 8000 step by step:

   11.8      <-- 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.

   11.8
+  8000
---------
     8


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

   11.8
+  8000
---------
     1.8


    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.

   11.8
+  8000
---------
     91.8

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

The final result is 91.8.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
11.9	89	100.9	11.9 plus 89
12	98	110	12 plus 98
12.1	105	117.1	12.1 plus 105
1	9.9	10.9	1 plus 9.9
2.1	1	3.1	2.1 plus 1
6.2	2.1	8.3	6.2 plus 2.1