7.7 Plus 78.8 Addition :

Number 1	Number 2	Answer
7.7	78.8	86.5

How to calculate 7.7 plus 78.8 ?

Let's break down the addition of 07.7 and 78.8 step by step:

   07.7      <-- Start with the rightmost column
+  78.8
---------

    Add the digits in the rightmost column:
        7 + 8 + 1 = 15
        Write down 5 in the rightmost column, carry over 1 to the next column.

   07.7
+  78.8
---------
     5


    Add the digits in the rightmost column:
        7 + 8 + 1 = 16
        Write down 6 in the rightmost column, carry over 1 to the next column.

   07.7
+  78.8
---------
     6.5


    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.

   07.7
+  78.8
---------
     86.5

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

The final result is 86.5.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
7.8	79.8	87.6	7.8 plus 79.8
7.9	83.8	91.7	7.9 plus 83.8
8	91.8	99.8	8 plus 91.8
8.3	5.7	14	8.3 plus 5.7
7.7	7	14.7	7.7 plus 7
2.3	3.7	6	2.3 plus 3.7