Question

efetue simplificando quando possível
A) 2/10+7/10
B) 5/11+7/11
C) 3/2+1/6+2/3
D) 1/4+2/5+3/2

Answer 1

a) 9/10
b)12/11
c) mmc = 6
9+1+4 = 14/6 : 2 = 7/3
d) mmc = 20
5+8+30 = 43/20