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	84	94.3	10.3 plus 84
10.4	87	97.4	10.4 plus 87
10.5	91	101.5	10.5 plus 91
8.5	7.8	16.3	8.5 plus 7.8
9.8	0.2	10	9.8 plus 0.2
8.1	0.3	8.4	8.1 plus 0.3