12.8 Plus 387 Addition :

Number 1	Number 2	Answer
12.8	387	399.8

How to calculate 12.8 plus 387 ?

Let's break down the addition of 012.8 and 38700 step by step:

   012.8      <-- Start with the rightmost column
+  38700
---------

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

   012.8
+  38700
---------
     8


    Add the digits in the rightmost column:
        2 + 7 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   012.8
+  38700
---------
     9.8


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

   012.8
+  38700
---------
     99.8


    Add the digits in the rightmost column:
        0 + 3 + 0 = 3
        Write down 3 in the rightmost column, carry over 0 to the next column.

   012.8
+  38700
---------
     399.8

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

The final result is 399.8.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
12.9	394	406.9	12.9 plus 394
13	397	410	13 plus 397
13.1	405	418.1	13.1 plus 405
5.5	7.3	12.8	5.5 plus 7.3
9.3	9.7	19	9.3 plus 9.7
0.2	2.4	2.6	0.2 plus 2.4