8.6 Plus 421 Addition :

Number 1	Number 2	Answer
8.6	421	429.6

How to calculate 8.6 plus 421 ?

Let's break down the addition of 008.6 and 42100 step by step:

   008.6      <-- Start with the rightmost column
+  42100
---------

    Add the digits in the rightmost column:
        6 + 0 + 0 = 6
        Write down 6 in the rightmost column, carry over 0 to the next column.

   008.6
+  42100
---------
     6


    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.

   008.6
+  42100
---------
     9.6


    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.

   008.6
+  42100
---------
     29.6


    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.

   008.6
+  42100
---------
     429.6

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

The final result is 429.6.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
8.7	427	435.7	8.7 plus 427
8.8	430	438.8	8.8 plus 430
8.9	431	439.9	8.9 plus 431
1	4.2	5.2	1 plus 4.2
1	1.2	2.2	1 plus 1.2
5	9.3	14.3	5 plus 9.3