Question

calcule e sinplefique os resutdos ,quando for possível: a) 1/2+2/3 b) 5/6+2/3 c) 4/5+2/3 d) 7/8-1/6 e) 5/4-1/2 f) 8/10-1/5​

Answer 1

Resposta:

a)7/6             b)9/2          c)22/15

d)17/12           e)3/2          f)3/1

Explicação passo-a-passo:

a) 1/2 + 2/3 = 3+4/6 =7/6

b) 5/6 + 2/3 = 15+12/6 =27/6 : 3 = 9/2

c) 4/5+2/3 = 12+10/15 =22/15

d) 7/8-1/6 = 42-8/24 = 34/24 : 2 =17/12

e) 5/4-1/2 = 10-4/4 =6/4 : 2 =3/2

f) 8/10-1/5​ = 40-10/10 =30/10 : 10 =3/1