Question

Alguien me puede ayudar por favor

Answer 1

Respuesta:

a)  $\frac{1}{6}+\left(-\frac{2}{5}\right)=-\frac{7}{30}$

b)  $\frac{12}{7}+\frac{8}{9}=\frac{164}{63}$

c)  $-\frac{19}{20}+\left(-\frac{3}{5}\right)+\frac{1}{2}=-\frac{21}{20}$

d)  $\frac{21}{55}+\left(-\frac{12}{5}\right)+\frac{4}{3}=-\frac{113}{165}$

e)  $\frac{7}{2}+\frac{12}{7}+\left(-\frac{1}{4}\right)=\frac{139}{28}\quad$

f)  $\frac{9}{12}+\left(-\frac{4}{5}\right)+\frac{1}{2}=\frac{9}{20}$

g)  $-\frac{4}{13}+\left(-\frac{1}{4}\right)+\left(-\frac{3}{26}\right)=-\frac{35}{52}$

h)  $\frac{11}{100}+\frac{1}{10}+\left(-\frac{15}{1000}\right)=\frac{39}{200}$

i)  $\frac{8}{5}+\left(-\frac{13}{15}\right)+\left(-\frac{2}{3}\right)=\frac{1}{15}$

j)  $-\frac{23}{20}+\frac{5}{12}+\left(-\frac{7}{16}\right)=-\frac{281}{240}$