Question

5) Calcule as frações e simplifique, se possível:
a) 1/5+2/5=
b)2/9+1/3=
c)5/6-7/12+3/8=
d)5/6-1/6=
e)8/9-2/6=​

Answer 1

a)1/5+2/5=3/5

b)2/9+3/9=5/9

c)10/12-7/12+4,5/12=7,5/12

d)5/6-1/6=4/6=2/3

e)16/18-6/18=10/18=5/9