10.2 Plus 77 Addition :

Number 1	Number 2	Answer
10.2	77	87.2

How to calculate 10.2 plus 77 ?

Let's break down the addition of 10.2 and 7700 step by step:

   10.2      <-- Start with the rightmost column
+  7700
---------

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

   10.2
+  7700
---------
     2


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

   10.2
+  7700
---------
     7.2


    Add the digits in the rightmost column:
        1 + 7 + 0 = 8
        Write down 8 in the rightmost column, carry over 0 to the next column.

   10.2
+  7700
---------
     87.2

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

The final result is 87.2.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
10.3	78	88.3	10.3 plus 78
10.4	87	97.4	10.4 plus 87
10.5	92	102.5	10.5 plus 92
7.7	2.2	9.9	7.7 plus 2.2
8.9	8	16.9	8.9 plus 8
9.3	5.4	14.7	9.3 plus 5.4