8.7 Plus 420.2 Addition :

Number 1	Number 2	Answer
8.7	420.2	428.9

How to calculate 8.7 plus 420.2 ?

Let's break down the addition of 008.7 and 420.2 step by step:

   008.7      <-- Start with the rightmost column
+  420.2
---------

    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
+  420.2
---------
     9


    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.

   008.7
+  420.2
---------
     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.

   008.7
+  420.2
---------
     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.

   008.7
+  420.2
---------
     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 ?
8.8	425.2	434	8.8 plus 425.2
8.9	427.2	436.1	8.9 plus 427.2
9	431.2	440.2	9 plus 431.2
5.4	5.2	10.6	5.4 plus 5.2
8.5	9.2	17.7	8.5 plus 9.2
1.8	7.1	8.9	1.8 plus 7.1