9.7 Plus 129 Addition :

Number 1	Number 2	Answer
9.7	129	138.7

How to calculate 9.7 plus 129 ?

Let's break down the addition of 009.7 and 12900 step by step:

   009.7      <-- 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.

   009.7
+  12900
---------
     7


    Add the digits in the rightmost column:
        9 + 9 + 1 = 18
        Write down 8 in the rightmost column, carry over 1 to the next column.

   009.7
+  12900
---------
     8.7


    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.

   009.7
+  12900
---------
     38.7


    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.

   009.7
+  12900
---------
     138.7

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

The final result is 138.7.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
9.8	134	143.8	9.8 plus 134
9.9	139	148.9	9.9 plus 139
10	143	153	10 plus 143
2.9	7.2	10.1	2.9 plus 7.2
0.8	6	6.8	0.8 plus 6
2.9	9.4	12.3	2.9 plus 9.4