1. Find the LCD of 3/5 and 1/6

Question

A.5
B.6
C.11
D.30***
2. Add the fractions and write your answer in lowest terms. 2/5+1/9
A.1/15
B. 23/45***
C. 3/14
D. 19/45
3. Subtract the fractions and write your answer in lowest terms. 4/5-3/8
A. 1/40
B. 1and7/40***
C. 7/10
D. 17.40
Am I correct?

Answer 1

first two are correct. There is no crorrect choice for 3.
4/5-3/8=17/40

Answer 2

thx bobpursly