7.9 Plus 80 Addition :

Number 1	Number 2	Answer
7.9	80	87.9

How to calculate 7.9 plus 80 ?

Let's break down the addition of 07.9 and 8000 step by step:

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

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

   07.9
+  8000
---------
     9


    Add the digits in the rightmost column:
        7 + 0 + 0 = 7
        Write down 7 in the rightmost column, carry over 0 to the next column.

   07.9
+  8000
---------
     7.9


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

   07.9
+  8000
---------
     87.9

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

The final result is 87.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
8	81	89	8 plus 81
8.1	89	97.1	8.1 plus 89
8.2	92	100.2	8.2 plus 92
0.9	7.1	8	0.9 plus 7.1
3	3.5	6.5	3 plus 3.5
4.9	1	5.9	4.9 plus 1