When it comes to fractions yes you do. But to make it easier just multiply the denominators and that should give u a common denominator, they don't always have to be least common.
I think it's d hope it helps
.015 + .06= .075
not sure if this is correct i did my best
#7
2,4,8,16
15,30,60,120
#9
1,2,3,
4,8,12
Answer: the answer is 7
Step-by-step explanation:
