15.5 Plus 421 Addition :

Number 1	Number 2	Answer
15.5	421	436.5

How to calculate 15.5 plus 421 ?

Let's break down the addition of 015.5 and 42100 step by step:

   015.5      <-- 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.

   015.5
+  42100
---------
     5


    Add the digits in the rightmost column:
        5 + 1 + 0 = 6
        Write down 6 in the rightmost column, carry over 0 to the next column.

   015.5
+  42100
---------
     6.5


    Add the digits in the rightmost column:
        1 + 2 + 0 = 3
        Write down 3 in the rightmost column, carry over 0 to the next column.

   015.5
+  42100
---------
     36.5


    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.

   015.5
+  42100
---------
     436.5

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

The final result is 436.5.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
15.6	430	445.6	15.6 plus 430
15.7	433	448.7	15.7 plus 433
15.8	442	457.8	15.8 plus 442
4	6.2	10.2	4 plus 6.2
3.5	9.8	13.3	3.5 plus 9.8
6.9	3.1	10	6.9 plus 3.1