12.9 Plus 387.5 Addition :

Number 1	Number 2	Answer
12.9	387.5	400.4

How to calculate 12.9 plus 387.5 ?

Let's break down the addition of 012.9 and 387.5 step by step:

   012.9      <-- Start with the rightmost column
+  387.5
---------

    Add the digits in the rightmost column:
        9 + 5 + 1 = 14
        Write down 4 in the rightmost column, carry over 1 to the next column.

   012.9
+  387.5
---------
     4


    Add the digits in the rightmost column:
        2 + 7 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   012.9
+  387.5
---------
     0.4


    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.

   012.9
+  387.5
---------
     00.4


    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.

   012.9
+  387.5
---------
     400.4

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

The final result is 400.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
13	388.5	401.5	13 plus 388.5
13.1	389.5	402.6	13.1 plus 389.5
13.2	392.5	405.7	13.2 plus 392.5
8.4	6.8	15.2	8.4 plus 6.8
4.1	3.2	7.3	4.1 plus 3.2
1	0.9	1.9	1 plus 0.9