15.9 Plus 387 Addition :

Number 1	Number 2	Answer
15.9	387	402.9

How to calculate 15.9 plus 387 ?

Let's break down the addition of 015.9 and 38700 step by step:

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

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

   015.9
+  38700
---------
     9


    Add the digits in the rightmost column:
        5 + 7 + 1 = 12
        Write down 2 in the rightmost column, carry over 1 to the next column.

   015.9
+  38700
---------
     2.9


    Add the digits in the rightmost column:
        1 + 8 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   015.9
+  38700
---------
     02.9


    Add the digits in the rightmost column:
        0 + 3 + 0 = 4
        Write down 4 in the rightmost column, carry over 0 to the next column.

   015.9
+  38700
---------
     402.9

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

The final result is 402.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
16	391	407	16 plus 391
16.1	395	411.1	16.1 plus 395
16.2	396	412.2	16.2 plus 396
1.3	0.5	1.8	1.3 plus 0.5
3.6	4.3	7.9	3.6 plus 4.3
9	2.7	11.7	9 plus 2.7