Respuesta :

a) 4/7
b) 1/32
c) 1 1/3 or 4/3
d) 20 1/4 or 81/4
a) 12/7 / 3/1
12/7 x 1/3
12 x 1 = 12
7 x 3 = 21
12/21 = 4/7

b) 1/8 / 4/1
1/8 x 1/4
1 x 1 = 1
8 x 4 = 32
1/32

c) 1/3 x 4/1
1 x 4 = 4
3 x 1 = 3
4/3 = 1 1/3

d) 9/4 x 9/1
9 x 9 = 81
4 x 1 = 4
81/4 = 20 1/4