7.8 Plus 80 Addition :

Number 1	Number 2	Answer
7.8	80	87.8

How to calculate 7.8 plus 80 ?

Let's break down the addition of 07.8 and 8000 step by step:

   07.8      <-- 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.

   07.8
+  8000
---------
     8


    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.

   07.8
+  8000
---------
     7.8


    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.

   07.8
+  8000
---------
     87.8

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

The final result is 87.8.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
7.9	85	92.9	7.9 plus 85
8	91	99	8 plus 91
8.1	100	108.1	8.1 plus 100
2.2	6	8.2	2.2 plus 6
9.5	3	12.5	9.5 plus 3
7.4	8.8	16.2	7.4 plus 8.8