Question

9) Faça você:
a) 1/3+1/4=
b) 4/5+1/2=
c) 3/5+1/3=
d) 6/7−2/3=

Answer 1

Resposta:

$a) 1/3+1/4= \frac{7}{12}\\b) 4/5+1/2 = 1\frac{3}{10} \\c) 3/5+1/3= \frac{14}{15} \\d) 6/7-2/3=\frac{4}{21}$

Explicação passo-a-passo: