12.4 Plus 387 Addition :

Number 1	Number 2	Answer
12.4	387	399.4

How to calculate 12.4 plus 387 ?

Let's break down the addition of 012.4 and 38700 step by step:

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

    Add the digits in the rightmost column:
        4 + 0 + 0 = 4
        Write down 4 in the rightmost column, carry over 0 to the next column.

   012.4
+  38700
---------
     4


    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.

   012.4
+  38700
---------
     9.4


    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.

   012.4
+  38700
---------
     99.4


    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.

   012.4
+  38700
---------
     399.4

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

The final result is 399.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
12.5	391	403.5	12.5 plus 391
12.6	398	410.6	12.6 plus 398
12.7	404	416.7	12.7 plus 404
4.2	2.2	6.4	4.2 plus 2.2
3.7	9.7	13.4	3.7 plus 9.7
0.2	5.3	5.5	0.2 plus 5.3