9 Plus 420.7 Addition :

Number 1	Number 2	Answer
9	420.7	429.7

How to calculate 9 plus 420.7 ?

Let's break down the addition of 00900 and 420.7 step by step:

   00900      <-- 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.

   00900
+  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.

   00900
+  420.7
---------
     07


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

   00900
+  420.7
---------
     907


    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.

   00900
+  420.7
---------
     2907


    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.

   00900
+  420.7
---------
     42907

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

The final result is 42907.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
9.1	428.7	437.8	9.1 plus 428.7
9.2	430.7	439.9	9.2 plus 430.7
9.3	437.7	447	9.3 plus 437.7
2.6	6.9	9.5	2.6 plus 6.9
2.9	3.1	6	2.9 plus 3.1
0.6	4.6	5.2	0.6 plus 4.6