Respuesta :

your answer is 25/40 hope this helps ;)
1. Find the GCF of 625,100
Factors of 625: 1,5,25,125,625
Factors of 1000: 1,2,4....250,500,1000
Therefore, the GCF is 125

2. Divide both the numerator and the denominator by the GCF
(625/125)/(1000/125)

3. Simplify 
5/8

Have a nice day :D