100.5 Plus 421 Addition :

Number 1	Number 2	Answer
100.5	421	521.5

How to calculate 100.5 plus 421 ?

Let's break down the addition of 100.5 and 42100 step by step:

   100.5      <-- 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.

   100.5
+  42100
---------
     5


    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.

   100.5
+  42100
---------
     1.5


    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.

   100.5
+  42100
---------
     21.5


    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.

   100.5
+  42100
---------
     521.5

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

The final result is 521.5.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
100.6	424	524.6	100.6 plus 424
100.7	432	532.7	100.7 plus 432
100.8	441	541.8	100.8 plus 441
4.4	8.8	13.2	4.4 plus 8.8
6.8	2.3	9.1	6.8 plus 2.3
7.4	6	13.4	7.4 plus 6