7.7 Plus 397 Addition :

Number 1	Number 2	Answer
7.7	397	404.7

How to calculate 7.7 plus 397 ?

Let's break down the addition of 007.7 and 39700 step by step:

   007.7      <-- Start with the rightmost column
+  39700
---------

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

   007.7
+  39700
---------
     7


    Add the digits in the rightmost column:
        7 + 7 + 1 = 14
        Write down 4 in the rightmost column, carry over 1 to the next column.

   007.7
+  39700
---------
     4.7


    Add the digits in the rightmost column:
        0 + 9 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   007.7
+  39700
---------
     04.7


    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.

   007.7
+  39700
---------
     404.7

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

The final result is 404.7.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
7.8	402	409.8	7.8 plus 402
7.9	406	413.9	7.9 plus 406
8	411	419	8 plus 411
4.2	3.5	7.7	4.2 plus 3.5
1.3	6.5	7.8	1.3 plus 6.5
9.9	5.6	15.5	9.9 plus 5.6