8.7 Plus 121.2 Addition :

Number 1	Number 2	Answer
8.7	121.2	129.9

How to calculate 8.7 plus 121.2 ?

Let's break down the addition of 008.7 and 121.2 step by step:

   008.7      <-- Start with the rightmost column
+  121.2
---------

    Add the digits in the rightmost column:
        7 + 2 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   008.7
+  121.2
---------
     9


    Add the digits in the rightmost column:
        8 + 1 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   008.7
+  121.2
---------
     9.9


    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.

   008.7
+  121.2
---------
     29.9


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

   008.7
+  121.2
---------
     129.9

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

The final result is 129.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
8.8	128.2	137	8.8 plus 128.2
8.9	129.2	138.1	8.9 plus 129.2
9	135.2	144.2	9 plus 135.2
8.6	0.8	9.4	8.6 plus 0.8
1	4.3	5.3	1 plus 4.3
9.2	8.2	17.4	9.2 plus 8.2