8 Plus 420.7 Addition :

Number 1	Number 2	Answer
8	420.7	428.7

How to calculate 8 plus 420.7 ?

Let's break down the addition of 00800 and 420.7 step by step:

   00800      <-- Start with the rightmost column
+  420.7
---------

    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.

   00800
+  420.7
---------
     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.

   00800
+  420.7
---------
     07


    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.

   00800
+  420.7
---------
     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.

   00800
+  420.7
---------
     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.

   00800
+  420.7
---------
     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 ?
8.1	422.7	430.8	8.1 plus 422.7
8.2	423.7	431.9	8.2 plus 423.7
8.3	431.7	440	8.3 plus 431.7
0.8	9	9.8	0.8 plus 9
4.5	6.7	11.2	4.5 plus 6.7
8.5	2.8	11.3	8.5 plus 2.8