7.7 Plus 1 Addition :

Number 1	Number 2	Answer
7.7	1	8.7

How to calculate 7.7 plus 1 ?

Let's break down the addition of 7.7 and 100 step by step:

   7.7      <-- Start with the rightmost column
+  100
---------

    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.

   7.7
+  100
---------
     7


    Add the digits in the rightmost column:
        7 + 1 + 0 = 8
        Write down 8 in the rightmost column, carry over 0 to the next column.

   7.7
+  100
---------
     8.7

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

The final result is 8.7.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
7.8	9	16.8	7.8 plus 9
7.9	16	23.9	7.9 plus 16
8	25	33	8 plus 25
9.7	5.7	15.4	9.7 plus 5.7
9.4	0.4	9.8	9.4 plus 0.4
1.2	3.5	4.7	1.2 plus 3.5