Question

which ratio forms a proportion with 18/27

a. 1/3
b. 2/5
c.2/3
d. 7/9

Answer 1

If we simplify 18/27 by 9, the result is 2/3. We get this by dividing both the numerator and denominator by the greatest common factor of 9. So 2/3 has the same proportion as 18/27.

= 18/27
= (18÷9)/(27÷9)
= 2/3

ANSWER: C) 2/3

Hope this helps! :)