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	3	11.8	8.8 plus 3
8.9	5	13.9	8.9 plus 5
9	12	21	9 plus 12
4.8	5.9	10.7	4.8 plus 5.9
4.8	6.7	11.5	4.8 plus 6.7
4	8.4	12.4	4 plus 8.4