Respuesta :

Kaikerscupcake
Hey there! :D

Multiply the numerators and the denominators. 

1*1= 1

5*15= 75

1/75 <== the answer

You could also make 1/5 the same denominator as 15.

1/5= 3/15

3*1= 3

15*15= 225

3/225= 1/75 

I hope this helps!
~kaikers