8.7 Plus 1 Addition :

Number 1	Number 2	Answer
8.7	1	9.7

How to calculate 8.7 plus 1 ?

Let's break down the addition of 8.7 and 100 step by step:

   8.7      <-- Start with the rightmost column
+  100
---------

    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
+  100
---------
     7


    Add the digits in the rightmost column:
        8 + 1 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   8.7
+  100
---------
     9.7

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

The final result is 9.7.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
8.8	5	13.8	8.8 plus 5
8.9	13	21.9	8.9 plus 13
9	14	23	9 plus 14
0.5	6.4	6.9	0.5 plus 6.4
6.9	7.9	14.8	6.9 plus 7.9
3.3	8.1	11.4	3.3 plus 8.1