8.8 Plus 421 Addition :

Number 1	Number 2	Answer
8.8	421	429.8

How to calculate 8.8 plus 421 ?

Let's break down the addition of 008.8 and 42100 step by step:

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

    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.

   008.8
+  42100
---------
     8


    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.

   008.8
+  42100
---------
     9.8


    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.

   008.8
+  42100
---------
     29.8


    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.

   008.8
+  42100
---------
     429.8

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

The final result is 429.8.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
8.9	430	438.9	8.9 plus 430
9	437	446	9 plus 437
9.1	441	450.1	9.1 plus 441
5	2.1	7.1	5 plus 2.1
9.8	4.1	13.9	9.8 plus 4.1
1.5	0.8	2.3	1.5 plus 0.8