Answer:
2:263
Explanation:
6:789
Let's try simplying it completely, by that I means, divide both of the values by 6.
6:789
1:131.5
We need it to be a whole number, so it's not working. We can't divide by 2, because dividing 789 by 2 is not gonna give us a whole number. (an odd number)
Let's divide by 3
6:789
2:263