Question

?????????????????????​

Answer 1

Resposta:

a) 7/3
b) 10/4
c) 6/7
d) 17/15
e) 1/28

Explicação passo a passo:

a) 5/3 + 2/3 = 7/3
b) 7/4 + 3/4 = 10/4
c) 8/7 - 2/7 = 6/7
d) 4/5 + 1/3 = 12/15 + 5/15 = 17/15
e) 2/7 - 1/4 = 8/28 - 7/28 = 1/28