9.8 Plus 77 Addition :

Number 1	Number 2	Answer
9.8	77	86.8

How to calculate 9.8 plus 77 ?

Let's break down the addition of 09.8 and 7700 step by step:

   09.8      <-- 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.

   09.8
+  7700
---------
     8


    Add the digits in the rightmost column:
        9 + 7 + 1 = 16
        Write down 6 in the rightmost column, carry over 1 to the next column.

   09.8
+  7700
---------
     6.8


    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.

   09.8
+  7700
---------
     86.8

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

The final result is 86.8.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
9.9	84	93.9	9.9 plus 84
10	93	103	10 plus 93
10.1	97	107.1	10.1 plus 97
9	2.3	11.3	9 plus 2.3
7.7	3	10.7	7.7 plus 3
3.3	4.8	8.1	3.3 plus 4.8