Question

Efetue, simplificando o resultado quando possível.

A) 8/9 - 2/9
B) 7/5 - 1/5
C) 15/8 - 9/8
D) 9/5 - 4/5
E) 3/7 - 3/7
F) 11/12 - 3/12

(me ajudem pfv)

Answer 1

Olá, boa noite ☺

Resoluções:

a)8/9 - 2/9 = (8 - 2)/9=6/9 : 3/3 = 2/3
b)7/5 - 1/5= (7-1)/5=6/5
c)15/8 - 9/8=(15 - 9)/8=6/8 : 2/2=3/4
d)9/5 - 4/5= (9-4)/5=5/5=1
e)3/7 - 3/7=( 3 - 3)/7=0/7=0
f)11/12 - 3/12 = ( 11 -3)/12=8/12 : 4/4=2/3

Bons estudos :)

Answer 2

A 8 - 2 = 6= 2

9 9 9 3