Respuesta :

The answer would be 1/2.

Find the GCF of both 4, 8 and that would be 2

Divide 4 and 8 by 4 and its 2/4 but simplify again and its 1/2 and in decimal form 0.5.

1) no 4/8 in simplest form is 1/2
2) no 3/12 in simplest form is 1/4
4) yes
5) no 5/20 in simplest form is 1/4