- #1

bobby2k

- 127

- 2

## Homework Statement

Show that in order to find common denominator of a,b,c, you can first find the gcd to a and b called d.

Then gcd(a,b,c)= gcd(d,c)

## Homework Equations

## The Attempt at a Solution

I know that we atleast must have that gcd(a,b,c) divides d, can I use that?