12.4 Plus 421 Addition :

Number 1	Number 2	Answer
12.4	421	433.4

How to calculate 12.4 plus 421 ?

Let's break down the addition of 012.4 and 42100 step by step:

   012.4      <-- 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.

   012.4
+  42100
---------
     4


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

   012.4
+  42100
---------
     3.4


    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.

   012.4
+  42100
---------
     33.4


    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.

   012.4
+  42100
---------
     433.4

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

The final result is 433.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
12.5	424	436.5	12.5 plus 424
12.6	430	442.6	12.6 plus 430
12.7	434	446.7	12.7 plus 434
2	0.4	2.4	2 plus 0.4
1.5	4.8	6.3	1.5 plus 4.8
9.6	5.9	15.5	9.6 plus 5.9