18/30, is reduced to 9/15 then 3/5.
9/15 first, because 18 and 30 are both divisible by 2.
18÷2=9 and 30÷2=15.
Then how I got 3/5, was because both 9 and 15 are divisible by 3.
9÷3=3 and 15÷3=5 so the final answer that you are looking for, is 3/5.
Answer: 3/5
Step-by-step explanation: In order to write the fraction 18/30 in lowest terms, we divide the numerator and the denominator by the greatest common factor of 18 and 30 which is 6.18 divided by 6 is 3 and 30 divided by 6 is 5 so 18/30 written in lowest terms is 3/5.