Answer:
7 / 16
Explanation:
There's an awful lot of cancelation that can take place. We need to find the highest common factor.
4375: 5 * 5 * 5* 5 * 7
10000: 5 * 5 * 5 * 5 * 2 * 2 * 2 * 2
The common factors are 5 * 5 * 5 * 5 = 625
So you have 4375 ÷ 625 = 7
10000 / 625 = 16
Answer 7/16