Answer:
Last choice
Explanation:
There are two ways to solve this problem.
1. Simplify both fractions
2. Cross multiply (If a/b = c/d, then ad = bc)
Now for the answer choices:
1. 5/7 is less than one while 7/5 is greater
2. 3/12 = 1/4, which is not equal to 3/4
3. 16/20 = 4/5, while 15/25 = 3/5
4. 6/9 = 2/3, and 10/15 also equals 2/3.