15.4 Plus 421 Addition :

Number 1	Number 2	Answer
15.4	421	436.4

How to calculate 15.4 plus 421 ?

Let's break down the addition of 015.4 and 42100 step by step:

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

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

   015.4
+  42100
---------
     4


    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.

   015.4
+  42100
---------
     6.4


    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.

   015.4
+  42100
---------
     36.4


    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.

   015.4
+  42100
---------
     436.4

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

The final result is 436.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
15.5	426	441.5	15.5 plus 426
15.6	432	447.6	15.6 plus 432
15.7	435	450.7	15.7 plus 435
7.5	0.2	7.7	7.5 plus 0.2
5.4	2.7	8.1	5.4 plus 2.7
4.3	9	13.3	4.3 plus 9