Tolong dibantu ya bang soal yang nomor 7

[tex]7 \frac{2}{3} - 3 \frac{7}{9} - \frac{5}{6} = \\ \frac{23}{3} - \frac{34}{18} - \frac{15}{18} = \\ \frac{138}{18} - \frac{68}{18} - \frac{15}{18} = \\ \frac{55}{18} = 3 \frac{1}{18} [/tex]
Maaf kalau salah.....
Jadikan jawaban terbaik ya... ^_^