8.7 Plus 129 Addition :

Number 1	Number 2	Answer
8.7	129	137.7

How to calculate 8.7 plus 129 ?

Let's break down the addition of 008.7 and 12900 step by step:

   008.7      <-- Start with the rightmost column
+  12900
---------

    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.

   008.7
+  12900
---------
     7


    Add the digits in the rightmost column:
        8 + 9 + 1 = 17
        Write down 7 in the rightmost column, carry over 1 to the next column.

   008.7
+  12900
---------
     7.7


    Add the digits in the rightmost column:
        0 + 2 + 0 = 3
        Write down 3 in the rightmost column, carry over 0 to the next column.

   008.7
+  12900
---------
     37.7


    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
+  12900
---------
     137.7

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

The final result is 137.7.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
8.8	133	141.8	8.8 plus 133
8.9	142	150.9	8.9 plus 142
9	147	156	9 plus 147
3.2	7.8	11	3.2 plus 7.8
0.7	4.1	4.8	0.7 plus 4.1
1	1.7	2.7	1 plus 1.7