\(\frac{-34}{60}+\frac{44}{60}-\frac{35}{60}\)
\(\frac{-34+44-35}{60}=-\frac{5}{12}\)
\(\frac{-17}{30}+\frac{11}{15}-\frac{7}{12}=\frac{-34}{60}+\frac{44}{60}-\frac{35}{60}\)
\(=\frac{-34+44-35}{60}\)
\(\frac{-5}{12}\)
\(\frac{-17}{30}+\frac{11}{15}-\frac{7}{12}\)
\(=\frac{-34+44-35}{60}\)
\(=\frac{-25}{60}=\frac{-5}{12}\)