12.1 Plus 387.1 Addition :

Number 1	Number 2	Answer
12.1	387.1	399.2

How to calculate 12.1 plus 387.1 ?

Let's break down the addition of 012.1 and 387.1 step by step:

   012.1      <-- Start with the rightmost column
+  387.1
---------

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

   012.1
+  387.1
---------
     2


    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.

   012.1
+  387.1
---------
     9.2


    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.

   012.1
+  387.1
---------
     99.2


    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.

   012.1
+  387.1
---------
     399.2

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

The final result is 399.2.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
12.2	396.1	408.3	12.2 plus 396.1
12.3	405.1	417.4	12.3 plus 405.1
12.4	409.1	421.5	12.4 plus 409.1
0.5	6.5	7	0.5 plus 6.5
0.4	0.8	1.2	0.4 plus 0.8
7.1	9.3	16.4	7.1 plus 9.3