31.3 Plus 689.4 Addition :

Number 1	Number 2	Answer
31.3	689.4	720.7

How to calculate 31.3 plus 689.4 ?

Let's break down the addition of 031.3 and 689.4 step by step:

   031.3      <-- Start with the rightmost column
+  689.4
---------

    Add the digits in the rightmost column:
        3 + 4 + 0 = 7
        Write down 7 in the rightmost column, carry over 0 to the next column.

   031.3
+  689.4
---------
     7


    Add the digits in the rightmost column:
        1 + 9 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   031.3
+  689.4
---------
     0.7


    Add the digits in the rightmost column:
        3 + 8 + 1 = 12
        Write down 2 in the rightmost column, carry over 1 to the next column.

   031.3
+  689.4
---------
     20.7


    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.

   031.3
+  689.4
---------
     720.7

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

The final result is 720.7.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
31.4	693.4	724.8	31.4 plus 693.4
31.5	698.4	729.9	31.5 plus 698.4
31.6	705.4	737	31.6 plus 705.4
4	7.4	11.4	4 plus 7.4
8	7	15	8 plus 7
9.9	1.9	11.8	9.9 plus 1.9