Question

Me ajudem por favor preciso mostrar isso pra professora hoje!!!

b) (+3/7) : (+11/14)=

c)(-5/27) : (-10/9)=

d)(-5/8) : (+25/8)=

e)(+4/7) : (+2)=

f)(-6) : (+12/5)=

Answer 1

3/7 : 11/14 = 3/7 * 14/11 = + 42/77 = + 6/11***
c
 5/27 : 10/9  = 5/27 * 9/10 = + 45/270 = + 1/6 ***
d
5/8 : 25/8 = 5/8 * 8/25 = - 40/200 = - 4/20 = - 1/5 ***
e
4/7 : 2/1 = 4/7 * 1/2 =+  4/14 = + 2/7 ***
f
6/1 : 12/5 = 6/1 * 5/12 = - 30/12 = - 5/2