12.4 Plus 387.5 Addition :

Number 1	Number 2	Answer
12.4	387.5	399.9

How to calculate 12.4 plus 387.5 ?

Let's break down the addition of 012.4 and 387.5 step by step:

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

    Add the digits in the rightmost column:
        4 + 5 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   012.4
+  387.5
---------
     9


    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
+  387.5
---------
     9.9


    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
+  387.5
---------
     99.9


    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
+  387.5
---------
     399.9

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

The final result is 399.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
12.5	394.5	407	12.5 plus 394.5
12.6	397.5	410.1	12.6 plus 397.5
12.7	402.5	415.2	12.7 plus 402.5
6.2	5	11.2	6.2 plus 5
3.4	2.3	5.7	3.4 plus 2.3
5.1	6.5	11.6	5.1 plus 6.5