79.7 Plus 42 Addition :

Number 1	Number 2	Answer
79.7	42	121.7

How to calculate 79.7 plus 42 ?

Let's break down the addition of 79.7 and 4200 step by step:

   79.7      <-- 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.

   79.7
+  4200
---------
     7


    Add the digits in the rightmost column:
        9 + 2 + 1 = 11
        Write down 1 in the rightmost column, carry over 1 to the next column.

   79.7
+  4200
---------
     1.7


    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.

   79.7
+  4200
---------
     21.7

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

The final result is 121.7.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
79.8	49	128.8	79.8 plus 49
79.9	52	131.9	79.9 plus 52
80	53	133	80 plus 53
4.6	3.1	7.7	4.6 plus 3.1
1	2.9	3.9	1 plus 2.9
0.7	2.5	3.2	0.7 plus 2.5