8.7 Plus 2.1 Addition :

Number 1	Number 2	Answer
8.7	2.1	10.8

How to calculate 8.7 plus 2.1 ?

Let's break down the addition of 8.7 and 2.1 step by step:

   8.7      <-- Start with the rightmost column
+  2.1
---------

    Add the digits in the rightmost column:
        7 + 1 + 0 = 8
        Write down 8 in the rightmost column, carry over 0 to the next column.

   8.7
+  2.1
---------
     8


    Add the digits in the rightmost column:
        8 + 2 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   8.7
+  2.1
---------
     0.8

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

The final result is 10.8.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
8.8	9.1	17.9	8.8 plus 9.1
8.9	18.1	27	8.9 plus 18.1
9	21.1	30.1	9 plus 21.1
9.6	6.5	16.1	9.6 plus 6.5
4.4	0.2	4.6	4.4 plus 0.2
7.7	8.3	16	7.7 plus 8.3