8.4 Plus 77 Addition :

Number 1	Number 2	Answer
8.4	77	85.4

How to calculate 8.4 plus 77 ?

Let's break down the addition of 08.4 and 7700 step by step:

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

    Add the digits in the rightmost column:
        4 + 0 + 0 = 4
        Write down 4 in the rightmost column, carry over 0 to the next column.

   08.4
+  7700
---------
     4


    Add the digits in the rightmost column:
        8 + 7 + 1 = 15
        Write down 5 in the rightmost column, carry over 1 to the next column.

   08.4
+  7700
---------
     5.4


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

   08.4
+  7700
---------
     85.4

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

The final result is 85.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
8.5	86	94.5	8.5 plus 86
8.6	94	102.6	8.6 plus 94
8.7	98	106.7	8.7 plus 98
1.7	4	5.7	1.7 plus 4
7	0.6	7.6	7 plus 0.6
8.2	2.3	10.5	8.2 plus 2.3