Question

simplifique as fraçoes :
A)3/4+1
B) 2/3 - 1/6
C) 3/4 + 1
D) 30/-2
E)25-9/5-3

Answer 1

A)3/4 + 1 =m.m.c=4
3/4  + 4/4 = 7/4
B)2/3 - 1/6 m.m.c=6
4/6 - 1/6 = 3/6 = 1/2
C)3/4  + 1=7/4
D)30/-2 = -15/1 = -15
E)25 - 9 / 5 - 3 = 16/-2 = 8/-1 = - 8