Respuesta :

TheOneAndOnlyKibeye
4/5 and 2/3 = 8/15
4*2= 8
5*3= 15
There you go!
apologiabiology
remember
a/b times c/d=(ac)/(bd)

basically
x/y times c/d such that x times c=8 and y times d=15
exampes

8/1 times 1/15
2/1 times 4/15
4/1 times  2/15
8/3 times 1/5
2/3 times 4/5
4/3 times 2/5
8/5 times 1/3
2/5 times 4/3
4/5 times 2/3