how do you put these from greatest to least?

Question

3/40 , 4/25 , 1/10

A. 3/40 , 4/25 , 1/10

B. 3/40 , 1/10 , 4/25

C. 4/25 , 1/10 , 3/40

D. 4/25 , 3/40 , 1/10

Answer 1

Find LCD

40 = 2*2*2*5
25 = 5*5
10 = 2*5
so
2*2*2*5*5 = 200
so
15/200 , 32/200 and 20/200

3/40 1/10 4/25
B