[tex]10 \frac{1}{8} +3 \frac{5}{8} +2 \frac{7}{8} =[/tex]
[tex] \frac{8*10+1}{8} + \frac{8*3+5}{8} + \frac{8*2+7}{8} =[/tex]
[tex] \frac{80+1}{8} + \frac{24+5}{8} + \frac{16+7}{8} =[/tex]
[tex] \frac{81}{8} + \frac{29}{8} + \frac{23}{8} = \boxed{\frac{133}{8} }[/tex]
If you want to turn it into a mixed operation, do the following:
133|_8_
53...(16)
(5)
[tex] \frac{133}{8} = 16 \frac{5}{8} [/tex]
Answer:
[tex] \frac{133}{8} or 16 \frac{5}{8} [/tex]