20.4 Plus 687 Addition :

Number 1	Number 2	Answer
20.4	687	707.4

How to calculate 20.4 plus 687 ?

Let's break down the addition of 020.4 and 68700 step by step:

   020.4      <-- Start with the rightmost column
+  68700
---------

    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.

   020.4
+  68700
---------
     4


    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.

   020.4
+  68700
---------
     7.4


    Add the digits in the rightmost column:
        2 + 8 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   020.4
+  68700
---------
     07.4


    Add the digits in the rightmost column:
        0 + 6 + 0 = 7
        Write down 7 in the rightmost column, carry over 0 to the next column.

   020.4
+  68700
---------
     707.4

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

The final result is 707.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
20.5	691	711.5	20.5 plus 691
20.6	695	715.6	20.6 plus 695
20.7	703	723.7	20.7 plus 703
7.6	1.8	9.4	7.6 plus 1.8
8.5	1.5	10	8.5 plus 1.5
3	8.7	11.7	3 plus 8.7