8.7 Plus 421.2 Addition :

Number 1	Number 2	Answer
8.7	421.2	429.9

How to calculate 8.7 plus 421.2 ?

Let's break down the addition of 008.7 and 421.2 step by step:

   008.7      <-- 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.

   008.7
+  421.2
---------
     9


    Add the digits in the rightmost column:
        8 + 1 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   008.7
+  421.2
---------
     9.9


    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.

   008.7
+  421.2
---------
     29.9


    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.

   008.7
+  421.2
---------
     429.9

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

The final result is 429.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
8.8	428.2	437	8.8 plus 428.2
8.9	436.2	445.1	8.9 plus 436.2
9	439.2	448.2	9 plus 439.2
9.2	6.2	15.4	9.2 plus 6.2
2.8	3	5.8	2.8 plus 3
1.7	2.2	3.9	1.7 plus 2.2