\(a,=\dfrac{9}{15}+\dfrac{1}{15}=\dfrac{2}{3}\\ b,\dfrac{4}{8}+\dfrac{1}{8}=\dfrac{5}{8}\\ c,=\dfrac{24}{15}+\dfrac{14}{15}=\dfrac{38}{15}\\ d,=1+\dfrac{1}{15}=\dfrac{16}{15}\\ e,=\dfrac{1}{5}+\dfrac{-1}{5}=0\\ f.=\dfrac{14}{22}+\dfrac{-7}{22}=\dfrac{7}{22}\\ g,=\dfrac{66}{100}+\dfrac{77}{100}=\dfrac{143}{100}\)
a) \(\dfrac{1}{15}+\dfrac{8}{15}+\dfrac{1}{15}=\dfrac{1+8+1}{15}=\dfrac{10}{15}\)
c) \(\dfrac{13}{15}+\dfrac{11}{15}+\dfrac{14}{15}=\dfrac{13+11+14}{15}=\dfrac{38}{15}\)
c) \(\dfrac{3}{5}+\dfrac{-2}{5}+\dfrac{-1}{5}=\dfrac{3+-2+-1}{5}=\dfrac{0}{5}=0\)
d) \(\dfrac{13}{15}+\dfrac{2}{15}+\dfrac{1}{15}=\dfrac{13+2+1}{15}=\dfrac{16}{15}\)
a)\(\dfrac{1}{15}+\dfrac{8}{15}+\dfrac{1}{15}=\dfrac{1+8+1}{15}=\dfrac{10}{15}=\dfrac{2}{3}\)
b)\(\dfrac{7}{8}+\dfrac{-3}{8}+\dfrac{1}{8}=\dfrac{7+\left(-3\right)+1}{8}=\dfrac{5}{8}\)
c)\(\dfrac{13}{15}+\dfrac{11}{15}+\dfrac{14}{15}=\dfrac{13+11+14}{15}=\dfrac{38}{15}\)
d)\(\dfrac{13}{15}+\dfrac{2}{15}+\dfrac{1}{15}=\dfrac{13+2+1}{15}=\dfrac{16}{15}\)
\(a;\dfrac{1}{15}+\dfrac{8}{15}+\dfrac{1}{15}=\dfrac{1+8+1}{15}=\dfrac{10}{15}\)
\(b;\dfrac{7}{8}+\dfrac{-3}{8}+\dfrac{1}{8}=\dfrac{7+\left(-3\right)+1}{8}=\dfrac{11}{8}\)
\(c;\dfrac{13}{15}+\dfrac{11}{15}+\dfrac{14}{15}=\dfrac{13+11+14}{15}=\dfrac{38}{15}\)
\(d;\dfrac{13}{15}+\dfrac{2}{15}+\dfrac{1}{15}=\dfrac{13+2+1}{15}=\dfrac{16}{15}\)
\(e;\dfrac{3}{5}+\dfrac{-2}{5}+\dfrac{-1}{5}=\dfrac{3+\left(-2\right)+\left(-1\right)}{5}=\dfrac{0}{5}\)
\(h;\dfrac{7}{8}+\dfrac{-3}{8}+\dfrac{1}{8}=\dfrac{7+\left(-3\right)+1}{8}=\dfrac{5}{8}\)
\(g;\dfrac{87}{100}+\dfrac{-21}{100}+\dfrac{77}{100}=\dfrac{87+\left(-21\right)+77}{100}=\dfrac{143}{100}\)
\(f;\dfrac{5}{22}+\dfrac{9}{22}+\dfrac{-7}{22}=\dfrac{5+9+\left(-7\right)}{22}=\dfrac{7}{22}\)
e)\(\dfrac{3}{5}+\dfrac{-2}{5}+\dfrac{-1}{5}=\dfrac{3+\left(-2\right)+\left(-1\right)}{5}=\dfrac{0}{5}=0\)
g)\(\dfrac{87}{100}+\dfrac{-21}{100}+\dfrac{77}{100}=\dfrac{87+\left(-21\right)+77}{100}=\dfrac{143}{100}\)
f)\(\dfrac{5}{22}+\dfrac{9}{22}+\dfrac{-7}{22}=\dfrac{5+9+\left(-7\right)}{22}=\dfrac{7}{22}\)
\(\text{a)}\dfrac{1}{15}+\dfrac{8}{15}+\dfrac{1}{15}\)
\(=\dfrac{9}{15}+\dfrac{1}{15}\)
\(=\dfrac{10}{15}=\dfrac{2}{3}\)
\(\text{b)}\dfrac{7}{8}+\dfrac{-3}{8}+\dfrac{1}{8}\)
\(=\dfrac{4}{8}+\dfrac{1}{8}\)
\(=\dfrac{5}{8}\)
\(\text{c)}\dfrac{13}{15}+\dfrac{11}{15}+\dfrac{14}{15}\)
\(=\dfrac{24}{15}+\dfrac{14}{15}\)
\(=\dfrac{38}{15}\)
\(\text{c)}\dfrac{3}{5}+\dfrac{-2}{5}+\dfrac{-1}{5}\)
\(=\dfrac{1}{5}+\dfrac{-1}{5}\)
\(=0\)
\(\text{d)}\dfrac{13}{15}+\dfrac{2}{15}+\dfrac{1}{15}\)
\(=\dfrac{15}{15}+\dfrac{1}{15}\)
\(=\dfrac{16}{15}\)
\(\text{f)}\dfrac{5}{22}+\dfrac{9}{22}+\dfrac{-7}{22}\)
\(=\dfrac{14}{22}+\dfrac{-7}{22}\)
\(=\dfrac{7}{22}\)
\(\text{g)}\dfrac{87}{100}+\dfrac{-21}{100}+\dfrac{77}{100}\)
\(=\dfrac{66}{100}+\dfrac{77}{100}\)
\(=\dfrac{143}{100}\)
