100% - (50%+20 5/6%+18 3/4%) Tolong dikasih caranya,ini penting mau dikumpulkan besok Terimakasih

100% - (50% + 20 5/6% + 18¾%)
= 100- (88 + 10/12 + 9/12)%
= 100 - (89 + 7/12)%
= 10 5/12%

[tex]100\% - (50\% + 20 \frac{5}{6} \% + 18 \frac{3}{4} \%) \\ = 100\% - (49 \frac{6}{6} \ + 20 \frac{5}{6} + 18 \frac{3}{4} )\% \\ = 100\% - (49 \frac{12}{12} + 20 \frac{10}{12} + 18 \frac{9}{12} )\% \\ = 100\% - 87 \frac{31}{12} \% \\ = 99 \frac{12}{12} - 89 \frac{7}{12} \% \\ = 10 \frac{5}{12} \%[/tex]