12.8 Plus 387.7 Addition :

Number 1	Number 2	Answer
12.8	387.7	400.5

How to calculate 12.8 plus 387.7 ?

Let's break down the addition of 012.8 and 387.7 step by step:

   012.8      <-- Start with the rightmost column
+  387.7
---------

    Add the digits in the rightmost column:
        8 + 7 + 1 = 15
        Write down 5 in the rightmost column, carry over 1 to the next column.

   012.8
+  387.7
---------
     5


    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.

   012.8
+  387.7
---------
     0.5


    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.

   012.8
+  387.7
---------
     00.5


    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.

   012.8
+  387.7
---------
     400.5

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

The final result is 400.5.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
12.9	391.7	404.6	12.9 plus 391.7
13	400.7	413.7	13 plus 400.7
13.1	404.7	417.8	13.1 plus 404.7
1.5	4	5.5	1.5 plus 4
5.5	7.6	13.1	5.5 plus 7.6
8.5	2.8	11.3	8.5 plus 2.8