8.7 Plus 128.9 Addition :

Number 1	Number 2	Answer
8.7	128.9	137.6

How to calculate 8.7 plus 128.9 ?

Let's break down the addition of 008.7 and 128.9 step by step:

   008.7      <-- Start with the rightmost column
+  128.9
---------

    Add the digits in the rightmost column:
        7 + 9 + 1 = 16
        Write down 6 in the rightmost column, carry over 1 to the next column.

   008.7
+  128.9
---------
     6


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

   008.7
+  128.9
---------
     7.6


    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
+  128.9
---------
     37.6


    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
+  128.9
---------
     137.6

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

The final result is 137.6.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
8.8	133.9	142.7	8.8 plus 133.9
8.9	136.9	145.8	8.9 plus 136.9
9	138.9	147.9	9 plus 138.9
6	8.1	14.1	6 plus 8.1
1.2	0.4	1.6	1.2 plus 0.4
1.3	6.5	7.8	1.3 plus 6.5