15.4 Plus 42 Addition :

Number 1	Number 2	Answer
15.4	42	57.4

How to calculate 15.4 plus 42 ?

Let's break down the addition of 15.4 and 4200 step by step:

   15.4      <-- Start with the rightmost column
+  4200
---------

    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.

   15.4
+  4200
---------
     4


    Add the digits in the rightmost column:
        5 + 2 + 0 = 7
        Write down 7 in the rightmost column, carry over 0 to the next column.

   15.4
+  4200
---------
     7.4


    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.

   15.4
+  4200
---------
     57.4

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

The final result is 57.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
15.5	48	63.5	15.5 plus 48
15.6	50	65.6	15.6 plus 50
15.7	51	66.7	15.7 plus 51
2.1	0.9	3	2.1 plus 0.9
0.9	8	8.9	0.9 plus 8
3.1	5.5	8.6	3.1 plus 5.5