Question

Determine o valor das frações: a)1/3+1/2= b)1/7+1/5= c)1/8+1/5= d)1/3+1/5= e)1/4+1/6= f)1/9+1/5= g)1/12+1/15= h)1/7+1/9=

Answer 1

A)$\frac{1}{3}+\frac{1}{2}=\frac{5}{6}$
B)$\frac{1}{7}+\frac{1}{5}=\frac{12}{35}$
C)$\frac{1}{8}+\frac{1}{5}=\frac{13}{40}$
D)$\frac{1}{3}+\frac{1}{5}=\frac{8}{15}$
E)$\frac{1}{4}+\frac{1}{6}=\frac{5}{12}$
F)$\frac{1}{9}+\frac{1}{5}=\frac{14}{45}$
G)$\frac{1}{12}+\frac{1}{15}=\frac{9}{60}=\frac{3}{20}$
H)$\frac{1}{7}+\frac{1}{9}=\frac{16}{63}$