78.7 Plus 42 Addition :

Number 1	Number 2	Answer
78.7	42	120.7

How to calculate 78.7 plus 42 ?

Let's break down the addition of 78.7 and 4200 step by step:

   78.7      <-- 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.

   78.7
+  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.

   78.7
+  4200
---------
     0.7


    Add the digits in the rightmost column:
        7 + 4 + 1 = 12
        Write down 2 in the rightmost column, carry over 1 to the next column.

   78.7
+  4200
---------
     20.7

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

The final result is 120.7.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
78.8	50	128.8	78.8 plus 50
78.9	52	130.9	78.9 plus 52
79	59	138	79 plus 59
0.3	8.8	9.1	0.3 plus 8.8
5.2	9	14.2	5.2 plus 9
4.3	2.5	6.8	4.3 plus 2.5