8.5 Plus 421 Addition :

Number 1	Number 2	Answer
8.5	421	429.5

How to calculate 8.5 plus 421 ?

Let's break down the addition of 008.5 and 42100 step by step:

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

    Add the digits in the rightmost column:
        5 + 0 + 0 = 5
        Write down 5 in the rightmost column, carry over 0 to the next column.

   008.5
+  42100
---------
     5


    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.

   008.5
+  42100
---------
     9.5


    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.

   008.5
+  42100
---------
     29.5


    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.

   008.5
+  42100
---------
     429.5

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

The final result is 429.5.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
8.6	428	436.6	8.6 plus 428
8.7	432	440.7	8.7 plus 432
8.8	441	449.8	8.8 plus 441
1.3	7.4	8.7	1.3 plus 7.4
5.9	2.2	8.1	5.9 plus 2.2
8.7	9.6	18.3	8.7 plus 9.6