8.7 Plus 12.1 Addition :

Number 1	Number 2	Answer
8.7	12.1	20.8

How to calculate 8.7 plus 12.1 ?

Let's break down the addition of 08.7 and 12.1 step by step:

   08.7      <-- Start with the rightmost column
+  12.1
---------

    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.

   08.7
+  12.1
---------
     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.

   08.7
+  12.1
---------
     0.8


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

   08.7
+  12.1
---------
     20.8

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

The final result is 20.8.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
8.8	18.1	26.9	8.8 plus 18.1
8.9	26.1	35	8.9 plus 26.1
9	31.1	40.1	9 plus 31.1
5.2	1.6	6.8	5.2 plus 1.6
8.9	6.3	15.2	8.9 plus 6.3
3.1	1.5	4.6	3.1 plus 1.5