tolong dong plessss sama caranya y

[tex]2 \frac{2}{3}: \frac{1}{2} + \frac{5}{7}= \frac{8}{3}X \frac{2}{1}+ \frac{5}{7}= \frac{16}{3}+\frac{5}{7}= \frac{112+15}{21}= \frac{127}{21}=6 \frac{1}{21} [/tex]