8.7 Plus 420.1 Addition :

Number 1	Number 2	Answer
8.7	420.1	428.8

How to calculate 8.7 plus 420.1 ?

Let's break down the addition of 008.7 and 420.1 step by step:

   008.7      <-- Start with the rightmost column
+  420.1
---------

    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.

   008.7
+  420.1
---------
     8


    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
+  420.1
---------
     8.8


    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
+  420.1
---------
     28.8


    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
+  420.1
---------
     428.8

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

The final result is 428.8.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
8.8	429.1	437.9	8.8 plus 429.1
8.9	433.1	442	8.9 plus 433.1
9	440.1	449.1	9 plus 440.1
7.8	5.5	13.3	7.8 plus 5.5
9.8	3.8	13.6	9.8 plus 3.8
3.8	3.6	7.4	3.8 plus 3.6