8.9 Plus 77 Addition :

Number 1	Number 2	Answer
8.9	77	85.9

How to calculate 8.9 plus 77 ?

Let's break down the addition of 08.9 and 7700 step by step:

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

    Add the digits in the rightmost column:
        9 + 0 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   08.9
+  7700
---------
     9


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

   08.9
+  7700
---------
     5.9


    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.

   08.9
+  7700
---------
     85.9

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

The final result is 85.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
9	86	95	9 plus 86
9.1	94	103.1	9.1 plus 94
9.2	99	108.2	9.2 plus 99
7.1	2.8	9.9	7.1 plus 2.8
3.4	5	8.4	3.4 plus 5
0.3	7.8	8.1	0.3 plus 7.8