8.7 Plus 77 Addition :

Number 1	Number 2	Answer
8.7	77	85.7

How to calculate 8.7 plus 77 ?

Let's break down the addition of 08.7 and 7700 step by step:

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

    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.

   08.7
+  7700
---------
     7


    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.

   08.7
+  7700
---------
     5.7


    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.

   08.7
+  7700
---------
     85.7

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

The final result is 85.7.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
8.8	78	86.8	8.8 plus 78
8.9	83	91.9	8.9 plus 83
9	86	95	9 plus 86
4.8	2.6	7.4	4.8 plus 2.6
9.4	4.2	13.6	9.4 plus 4.2
7.8	7.8	15.6	7.8 plus 7.8