7 Plus 421.7 Addition :

Number 1	Number 2	Answer
7	421.7	428.7

How to calculate 7 plus 421.7 ?

Let's break down the addition of 00700 and 421.7 step by step:

   00700      <-- Start with the rightmost column
+  421.7
---------

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

   00700
+  421.7
---------
     7


    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.

   00700
+  421.7
---------
     07


    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.

   00700
+  421.7
---------
     807


    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.

   00700
+  421.7
---------
     2807


    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.

   00700
+  421.7
---------
     42807

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

The final result is 42807.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
7.1	422.7	429.8	7.1 plus 422.7
7.2	429.7	436.9	7.2 plus 429.7
7.3	438.7	446	7.3 plus 438.7
5	7.3	12.3	5 plus 7.3
3.3	1.8	5.1	3.3 plus 1.8
8.4	1.3	9.7	8.4 plus 1.3