8.7 Plus 64 Addition :

Number 1	Number 2	Answer
8.7	64	72.7

How to calculate 8.7 plus 64 ?

Let's break down the addition of 08.7 and 6400 step by step:

   08.7      <-- Start with the rightmost column
+  6400
---------

    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
+  6400
---------
     7


    Add the digits in the rightmost column:
        8 + 4 + 1 = 12
        Write down 2 in the rightmost column, carry over 1 to the next column.

   08.7
+  6400
---------
     2.7


    Add the digits in the rightmost column:
        0 + 6 + 0 = 7
        Write down 7 in the rightmost column, carry over 0 to the next column.

   08.7
+  6400
---------
     72.7

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

The final result is 72.7.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
8.8	72	80.8	8.8 plus 72
8.9	77	85.9	8.9 plus 77
9	80	89	9 plus 80
0.8	5.2	6	0.8 plus 5.2
7.8	2.4	10.2	7.8 plus 2.4
1.9	8	9.9	1.9 plus 8