28.7 Plus 42 Addition :

Number 1	Number 2	Answer
28.7	42	70.7

How to calculate 28.7 plus 42 ?

Let's break down the addition of 28.7 and 4200 step by step:

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

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

   28.7
+  4200
---------
     7


    Add the digits in the rightmost column:
        8 + 2 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   28.7
+  4200
---------
     0.7


    Add the digits in the rightmost column:
        2 + 4 + 0 = 7
        Write down 7 in the rightmost column, carry over 0 to the next column.

   28.7
+  4200
---------
     70.7

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

The final result is 70.7.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
28.8	44	72.8	28.8 plus 44
28.9	46	74.9	28.9 plus 46
29	53	82	29 plus 53
1.5	3.7	5.2	1.5 plus 3.7
9.1	0.6	9.7	9.1 plus 0.6
5.1	3	8.1	5.1 plus 3