9.9 Plus 8.7 Addition :

Number 1	Number 2	Answer
9.9	8.7	18.6

How to calculate 9.9 plus 8.7 ?

Let's break down the addition of 9.9 and 8.7 step by step:

   9.9      <-- Start with the rightmost column
+  8.7
---------

    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.

   9.9
+  8.7
---------
     6


    Add the digits in the rightmost column:
        9 + 8 + 1 = 18
        Write down 8 in the rightmost column, carry over 1 to the next column.

   9.9
+  8.7
---------
     8.6

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

The final result is 18.6.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
10	15.7	25.7	10 plus 15.7
10.1	21.7	31.8	10.1 plus 21.7
10.2	25.7	35.9	10.2 plus 25.7
1.7	2.2	3.9	1.7 plus 2.2
2.6	3.7	6.3	2.6 plus 3.7
6.9	4	10.9	6.9 plus 4