**Version:**1.20

**Price:**Free

**Downloadable version:**Full version

**Operating system:**Windows XP / Vista / 7 / 8

**Size:**4.48 MB (4594 KB)

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This example has been taken directly from the solution given by Basic Math Decoded to the formulated problem.

**78439 + 9657**

**Place one number above the other, so that the ones', tens', hundreds', thousands' places, and so on, are lined up. Draw a line under the bottom number.**

78439

__+ 9657__

**Add the digits 9 and 7 (9 + 7 = 16). The sum is more than 10, regroup digits by placing the 1 above the left column and place the 6 below the line in the column being added.**

1

7843

**9**__+ 965__

__7__**6**

**Add the digits 1, 3 and 5 (1 + 3 + 5 = 9) and place the answer below the line in the column being added.**

**1**

784

**3**9__+ 96__

__5____7__

**9**6

**Add the digits 4 and 6 (4 + 6 = 10). The sum is more than 10, regroup digits by placing the 1 above the left column and place the 0 below the line in the column being added.**

1

78

**4**39__+ 9__

__6____57__

**0**96

**Add the digits 1, 8 and 9 (1 + 8 + 9 = 18). The sum is more than 10, regroup digits by placing the 1 above the left column and place the 8 below the line in the column being added.**

1

**1** 7

**8**439__+__

__9____657__

**8**096

**Add the digits 1 and 7 (1 + 7 = 8) and place the answer below the line in the column being added.**

**1**

**7**8439

__+__

__9657__

**8**8096

**Final answer**

78439

__+ 9657__

88096