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	394	406.5	12.5 plus 394
12.6	395	407.6	12.6 plus 395
12.7	396	408.7	12.7 plus 396
7.4	8	15.4	7.4 plus 8
4.5	8.5	13	4.5 plus 8.5
1.8	5.4	7.2	1.8 plus 5.4