Answer:
1/6
Step-by-step explanation:
3 out of 18 marbles are green. 3/18 can be reduced to 1/6 because both 3 and 18 are divisible by 3.
3/3=1
18/3=6
1/6
Answer:
1/6
Step-by-step explanation: You just have to put 18 as the denominator and any number of marbles as the numerator.