Question

a) 7/5+2/3=
b)3/4+5/6=
c) 4/8+2/3=
d) 1/2+3/4+5/8=
e) 3/7-1/6=
f) 1/8-1/9=
g) 7/5-2/3=
​

Answer 1

Explicação passo-a-passo:

a) 7/5+2/3=21+10/15=31/15

b)3/4+5/6=9+10/12=19/12

c)4/8+2/3=16+12/24=28/24

d)1/2+3/4+5/8=4+5+6/8=15/8

f)1/8-1/9=9-8/72=1/72

g)7/5-2/3=21-10/15=11/15

é só fazer o mmc deles, e juntar na mesma fração