8.7 Plus 12 Addition :

Number 1	Number 2	Answer
8.7	12	20.7

How to calculate 8.7 plus 12 ?

Let's break down the addition of 08.7 and 1200 step by step:

   08.7      <-- Start with the rightmost column
+  1200
---------

    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.

   08.7
+  1200
---------
     7


    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
+  1200
---------
     0.7


    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
+  1200
---------
     20.7

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

The final result is 20.7.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
8.8	21	29.8	8.8 plus 21
8.9	30	38.9	8.9 plus 30
9	37	46	9 plus 37
6	9.5	15.5	6 plus 9.5
3.5	0.5	4	3.5 plus 0.5
8.4	8.7	17.1	8.4 plus 8.7