Question

metade de 4/5 é igual a 2/3 de outra fração. o valor dessa outra fração é?

Answer 1

(4/5): 2 = (2/3 ) x
(4/5) .(1/2) = (2/3)x
2/5 = (2/3)x
(2/5) : ( 2/3) = x 
(2/5) .(3/2) = x 
3/5 = x