Challenge #275: Greatest Common Denominator

[aaziz2]

here's mine, thanks

[kcgreen]

Done!

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[networkmike42]

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[olga_strubbe]

A neat challenge, thank you!  I followed in footsteps of @patrick_digan on this one - used a different formula to find a common denominator. 

It was a good learning experience with MOD function. 

[LorenzNacilla]

Managed to do it without a join

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[ds_tomalexsmith]

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Far from the best way of doing it, but it works :)

[aatalai]

C275 did it with brute force

[KosukeUchihashi]

Not a smart way at all :(

[Fnumam]

solution attached.

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[Chan_Baek]

My Solution