7.7 Plus 402.2 Addition :

Number 1	Number 2	Answer
7.7	402.2	409.9

How to calculate 7.7 plus 402.2 ?

Let's break down the addition of 007.7 and 402.2 step by step:

   007.7      <-- Start with the rightmost column
+  402.2
---------

    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.

   007.7
+  402.2
---------
     9


    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.

   007.7
+  402.2
---------
     9.9


    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.

   007.7
+  402.2
---------
     09.9


    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.

   007.7
+  402.2
---------
     409.9

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

The final result is 409.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
7.8	405.2	413	7.8 plus 405.2
7.9	414.2	422.1	7.9 plus 414.2
8	420.2	428.2	8 plus 420.2
0.3	8.5	8.8	0.3 plus 8.5
7.2	5.2	12.4	7.2 plus 5.2
5.3	3	8.3	5.3 plus 3