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	428	528.6	100.6 plus 428
100.7	433	533.7	100.7 plus 433
100.8	437	537.8	100.8 plus 437
3.3	4.7	8	3.3 plus 4.7
3.5	0.5	4	3.5 plus 0.5
0.4	3.8	4.2	0.4 plus 3.8