Question

boa noite
resolva
a) 3 1/5 + 2 3/5 =
b) 9/4 + 2/3 + 5/12 =
c) 6/7 - 1/3 + 4/3 =

Answer 1

a) 16/5 + 13/5
= 29/5

b) $\frac{27 + 8 + 5}{12}$

= $\frac{40}{12}$

=$\frac{10}{3}$


c)$\frac{18-7+28}{21}$

=$\frac{39}{21}$

=$\frac{13}{7}$