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Formula to add large numbers = single digit numbers

Jack-P-Winner

Jack-P-Winner

Member
The math I am using is like this below

1099 = 1 + 9 + 9 = 1

1 + 9 = 10 + 9 = 19

19 is 1 + 9 = 10 and

10 = 1 + 0 = 1

What formula could I use if I have two columns with numbers and I want to produce two more columns with their whole number (single digit). For example

1079 1056 = 8 3
 

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@pecoflyer

Hi Mate,

Just a minor correction in your approach.. Mod(9,9) results to 0...try your formula on 1134
So I would rather put a check to see if the sum is 9...this is how my formula would look like if i use your approach..

IF(MOD(A1,9)=0,9,MOD(A1,9))

Regards
Asheesh
 
Jack-P-Winner said:
The math I am using is like this below

1099 = 1 + 9 + 9 = 1

1 + 9 = 10 + 9 = 19

19 is 1 + 9 = 10 and

10 = 1 + 0 = 1

What formula could I use if I have two columns with numbers and I want to produce two more columns with their whole number (single digit). For example

1079 1056 = 8 3
Click to expand...
Try this

=1+MOD(A1-1,9)
 
Asheesh said:
@pecoflyer

Hi Mate,

Just a minor correction in your approach.. Mod(9,9) results to 0...try your formula on 1134
So I would rather put a check to see if the sum is 9...this is how my formula would look like if i use your approach..

IF(MOD(A1,9)=0,9,MOD(A1,9))

Regards
Asheesh
Click to expand...

results are all 9
 
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