12.1 Plus 387 Addition :

Number 1	Number 2	Answer
12.1	387	399.1

How to calculate 12.1 plus 387 ?

Let's break down the addition of 012.1 and 38700 step by step:

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

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

   012.1
+  38700
---------
     1


    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
+  38700
---------
     9.1


    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
+  38700
---------
     99.1


    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
+  38700
---------
     399.1

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

The final result is 399.1.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
12.2	389	401.2	12.2 plus 389
12.3	398	410.3	12.3 plus 398
12.4	402	414.4	12.4 plus 402
1.1	1.9	3	1.1 plus 1.9
5	0.5	5.5	5 plus 0.5
2.6	1.1	3.7	2.6 plus 1.1