7.8 Plus 402 Addition :

Number 1	Number 2	Answer
7.8	402	409.8

How to calculate 7.8 plus 402 ?

Let's break down the addition of 007.8 and 40200 step by step:

   007.8      <-- Start with the rightmost column
+  40200
---------

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

   007.8
+  40200
---------
     8


    Add the digits in the rightmost column:
        7 + 2 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   007.8
+  40200
---------
     9.8


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

   007.8
+  40200
---------
     09.8


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

   007.8
+  40200
---------
     409.8

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

The final result is 409.8.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
7.9	404	411.9	7.9 plus 404
8	413	421	8 plus 413
8.1	422	430.1	8.1 plus 422
2.5	2.5	5	2.5 plus 2.5
1.6	6.7	8.3	1.6 plus 6.7
3.7	1.6	5.3	3.7 plus 1.6