Question

Em relacao a fração,quanto vale:
a-8/10+1/9
b-9/12+3/36
c-10/11+2/3
d-5/10+6/20

Answer 1

a)

8/10+1/9=>72+10/90=>82/90=>41/45

b)

9/12+3/36 =>3/4+1/12=>9+1/12=>10/12=>5/6

c)
10/11+2/3=>30+22/33=>52/33

d)
5/10+6/20=>1/2+3/10=>5+3/10=>8/10=>4/5