30.7 Plus 42 Addition :

Number 1	Number 2	Answer
30.7	42	72.7

How to calculate 30.7 plus 42 ?

Let's break down the addition of 30.7 and 4200 step by step:

   30.7      <-- 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.

   30.7
+  4200
---------
     7


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

   30.7
+  4200
---------
     2.7


    Add the digits in the rightmost column:
        3 + 4 + 0 = 7
        Write down 7 in the rightmost column, carry over 0 to the next column.

   30.7
+  4200
---------
     72.7

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

The final result is 72.7.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
30.8	48	78.8	30.8 plus 48
30.9	49	79.9	30.9 plus 49
31	57	88	31 plus 57
8.8	1.1	9.9	8.8 plus 1.1
2.7	7	9.7	2.7 plus 7
6.8	0.3	7.1	6.8 plus 0.3