21.5 Plus 678.9 Addition :

Number 1	Number 2	Answer
21.5	678.9	700.4

How to calculate 21.5 plus 678.9 ?

Let's break down the addition of 021.5 and 678.9 step by step:

   021.5      <-- Start with the rightmost column
+  678.9
---------

    Add the digits in the rightmost column:
        5 + 9 + 1 = 14
        Write down 4 in the rightmost column, carry over 1 to the next column.

   021.5
+  678.9
---------
     4


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

   021.5
+  678.9
---------
     0.4


    Add the digits in the rightmost column:
        2 + 7 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   021.5
+  678.9
---------
     00.4


    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.

   021.5
+  678.9
---------
     700.4

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

The final result is 700.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
21.6	682.9	704.5	21.6 plus 682.9
21.7	683.9	705.6	21.7 plus 683.9
21.8	685.9	707.7	21.8 plus 685.9
7	7.7	14.7	7 plus 7.7
7	8.1	15.1	7 plus 8.1
5.6	3.1	8.7	5.6 plus 3.1