7.7 Plus 7.8 Addition :

Number 1	Number 2	Answer
7.7	7.8	15.5

How to calculate 7.7 plus 7.8 ?

Let's break down the addition of 7.7 and 7.8 step by step:

   7.7      <-- Start with the rightmost column
+  7.8
---------

    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.

   7.7
+  7.8
---------
     5


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

   7.7
+  7.8
---------
     5.5

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

The final result is 15.5.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
7.8	15.8	23.6	7.8 plus 15.8
7.9	24.8	32.7	7.9 plus 24.8
8	26.8	34.8	8 plus 26.8
4.8	9.1	13.9	4.8 plus 9.1
0.3	7.6	7.9	0.3 plus 7.6
1.3	0.3	1.6	1.3 plus 0.3