7.8 Plus 77 Addition :

Number 1	Number 2	Answer
7.8	77	84.8

How to calculate 7.8 plus 77 ?

Let's break down the addition of 07.8 and 7700 step by step:

   07.8      <-- Start with the rightmost column
+  7700
---------

    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
+  7700
---------
     8


    Add the digits in the rightmost column:
        7 + 7 + 1 = 14
        Write down 4 in the rightmost column, carry over 1 to the next column.

   07.8
+  7700
---------
     4.8


    Add the digits in the rightmost column:
        0 + 7 + 0 = 8
        Write down 8 in the rightmost column, carry over 0 to the next column.

   07.8
+  7700
---------
     84.8

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

The final result is 84.8.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
7.9	82	89.9	7.9 plus 82
8	86	94	8 plus 86
8.1	87	95.1	8.1 plus 87
8.5	2.6	11.1	8.5 plus 2.6
7.4	6.4	13.8	7.4 plus 6.4
7.7	5.8	13.5	7.7 plus 5.8