8.7 Plus 9 Addition :

Number 1	Number 2	Answer
8.7	9	17.7

How to calculate 8.7 plus 9 ?

Let's break down the addition of 8.7 and 900 step by step:

   8.7      <-- Start with the rightmost column
+  900
---------

    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.

   8.7
+  900
---------
     7


    Add the digits in the rightmost column:
        8 + 9 + 1 = 17
        Write down 7 in the rightmost column, carry over 1 to the next column.

   8.7
+  900
---------
     7.7

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

The final result is 17.7.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
8.8	11	19.8	8.8 plus 11
8.9	12	20.9	8.9 plus 12
9	21	30	9 plus 21
7.4	2.3	9.7	7.4 plus 2.3
9.1	9.2	18.3	9.1 plus 9.2
9.9	4.1	14	9.9 plus 4.1