100.3 Plus 421 Addition :

Number 1	Number 2	Answer
100.3	421	521.3

How to calculate 100.3 plus 421 ?

Let's break down the addition of 100.3 and 42100 step by step:

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

    Add the digits in the rightmost column:
        3 + 0 + 0 = 3
        Write down 3 in the rightmost column, carry over 0 to the next column.

   100.3
+  42100
---------
     3


    Add the digits in the rightmost column:
        0 + 1 + 0 = 1
        Write down 1 in the rightmost column, carry over 0 to the next column.

   100.3
+  42100
---------
     1.3


    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.

   100.3
+  42100
---------
     21.3


    Add the digits in the rightmost column:
        1 + 4 + 0 = 5
        Write down 5 in the rightmost column, carry over 0 to the next column.

   100.3
+  42100
---------
     521.3

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

The final result is 521.3.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
100.4	430	530.4	100.4 plus 430
100.5	437	537.5	100.5 plus 437
100.6	438	538.6	100.6 plus 438
9	9.4	18.4	9 plus 9.4
3.4	4.6	8	3.4 plus 4.6
1.5	7.8	9.3	1.5 plus 7.8