Question

Resolva as somas e subtrações com frações

a)2/5+1/6
b)3/2-1/2-8/2
c)8/7+1/3
d)5/3-1/2
e)4/2+3/4

Answer 1

a)17/30, b)-6/2, c)31/21, d)7/6, e)11/4

a)2/5+1/6》12/30+5/30=17/30

b)3/2-1/2-8/2=1,5-0,5-4=-3=-6/2

c)8/7+1/3》24/21+7/21=31/21

d)5/3-1/2》10/6-3/6=7/6

e)4/2+3/4》8/4+3/4=11/4