7.7 Plus 421.2 Addition :

Number 1	Number 2	Answer
7.7	421.2	428.9

How to calculate 7.7 plus 421.2 ?

Let's break down the addition of 007.7 and 421.2 step by step:

   007.7      <-- Start with the rightmost column
+  421.2
---------

    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
+  421.2
---------
     9


    Add the digits in the rightmost column:
        7 + 1 + 0 = 8
        Write down 8 in the rightmost column, carry over 0 to the next column.

   007.7
+  421.2
---------
     8.9


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

   007.7
+  421.2
---------
     28.9


    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
+  421.2
---------
     428.9

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

The final result is 428.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
7.8	429.2	437	7.8 plus 429.2
7.9	436.2	444.1	7.9 plus 436.2
8	439.2	447.2	8 plus 439.2
3.3	8.3	11.6	3.3 plus 8.3
3.6	3.9	7.5	3.6 plus 3.9
1	6.1	7.1	1 plus 6.1