What is the lowest common denominator of the four fractions listed below?

20 7/10; 20 3/4; 18 9/10; 20 18/25

a. 2
b. 40
c. 50
d. 100

Answer-a

Please check the above.

I think I get this one.

So my answer would be 100 which is d

No. 25 is not a factor of 2.

Yes, 100 is correct.

Great

Idk wut to do

Weird I have no options on my homework..... great .....

100 is the correct answer

100

What is the least common denominator of the four fractions listed below? Show work

20 7/10 20 3/4 18 9/10 20 18/25

Thanks