Me with my math questions!

1. which fraction is equivalent to 6/9?
a.18/36
b.1/3
c.12/18
d.3/4

2. what is 15/50 written in lowest terms?
a.1/2
b.3/10
c.1/4
d.3/8

3. what value of a makes the equation true?
30/45 = 6/a
a.9
b.225
c.30
d.6

4. what is 2/7 times 3/4?
a.5/28
b.1/8
c.3/14
d.5/14

5. what is the reciprocal of negative 11/9?
a. negative 9/11
b. negative 11/9
c.11/9
d.9/11

6. what is 5/6 divided by 1/3?
a.7 1/2
b.2 1/2
c.8/14
d.5/18

7. what is the lcd of 3/4 and 7/10?
a.40
b.10
c.80
d.20

8. what is 1 1/5 + 1 1/10?
a.2 3/5
b.2 3/10
c.2 1/5
d.2 1/10