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	422	437.6	15.6 plus 422
15.7	423	438.7	15.7 plus 423
15.8	428	443.8	15.8 plus 428
2.6	3.9	6.5	2.6 plus 3.9
1.9	8.3	10.2	1.9 plus 8.3
0.3	5.7	6	0.3 plus 5.7