`#` `\text{dkhanhqlv}`
`a)-2+(-5/8)`
`=-2-5/8`
`=-16/8-5/8`
`=-21/8`
`b)5+(-3/4)`
`=5-3/4`
`=20/4-3/4`
`=17/4`
`c)4/3+(-6)`
`=4/3-6`
`=4/3-18/3`
`=-14/3`
`d)-8-2/7`
`=-56/7-2/7`
`=-58/7`
`e)-3/5-9`
`=-3/5-45/5`
`=-48/5`
`g)6-(-4/13)`
`=6+4/13`
`=78/13+4/13`
`=82/13`
\(a,\left(-2\right)-\dfrac{5}{8}=-\dfrac{21}{8}\)
\(b,5+\left(-\dfrac{3}{4}\right)=5-\dfrac{3}{4}=\dfrac{20}{4}-\dfrac{3}{4}=\dfrac{17}{4}\)
\(c,\dfrac{4}{3}+\left(-6\right)=\dfrac{4}{3}-6=-\dfrac{14}{3}\)
\(d,\left(-8\right)-\dfrac{2}{7}=-\dfrac{58}{7}\)
\(e,-\dfrac{3}{5}-9=-\dfrac{48}{5}\)
\(g,6-\left(-\dfrac{4}{13}\right)=6+\dfrac{4}{13}=\dfrac{82}{13}\)
a) \(-2+\left(-\dfrac{5}{8}\right)=-\dfrac{16}{8}+\left(-\dfrac{5}{8}\right)=-\dfrac{21}{8}\)
b) \(5+\left(-\dfrac{3}{4}\right)=\dfrac{20}{4}+\left(-\dfrac{3}{4}\right)=\dfrac{17}{4}\)
c) \(\dfrac{4}{3}+\left(-6\right)=\dfrac{4}{3}+\left(-\dfrac{18}{3}\right)=-\dfrac{14}{3}\)
d) \(-8-\dfrac{2}{7}=-\dfrac{56}{7}-\dfrac{2}{7}=-\dfrac{58}{7}\)
e) \(-\dfrac{3}{5}-9=-\dfrac{3}{5}-\dfrac{45}{5}=-\dfrac{48}{5}\)
g) \(6-\left(-\dfrac{4}{13}\right)=6+\dfrac{4}{13}=\dfrac{78}{13}+\dfrac{4}{13}=\dfrac{82}{13}\)