\(a,\dfrac{4}{7}+\dfrac{6}{11}=\dfrac{44}{77}+\dfrac{42}{77}=\dfrac{86}{77}\)
\(b,\dfrac{5}{13}+\dfrac{27}{26}=\dfrac{10}{26}+\dfrac{27}{26}=\dfrac{37}{26}\)
\(c,\dfrac{45}{32}-\dfrac{13}{8}=\dfrac{45}{32}-\dfrac{52}{32}=\dfrac{-7}{32}\)
\(d,6-\dfrac{4}{5}=\dfrac{6}{1}-\dfrac{4}{5}=\dfrac{30}{5}-\dfrac{4}{5}=\dfrac{26}{5}\)
\(e,\dfrac{14}{25}\times\dfrac{5}{28}=\dfrac{70}{700}=\dfrac{1}{10}\)
\(g,\dfrac{11}{36}\times\dfrac{6}{33}\times\dfrac{3}{2}=\dfrac{11\times6\times3}{36\times33\times2}=\dfrac{198}{2376}=\dfrac{1}{12}\)
\(h,\dfrac{5}{7}:\dfrac{25}{28}:\dfrac{15}{4}=\dfrac{5}{7}\times\dfrac{28}{25}:\dfrac{15}{4}=\dfrac{140}{175}:\dfrac{15}{4}=\dfrac{4}{5}\times\dfrac{4}{15}=\dfrac{16}{75}\)
`@yVA`
