12 2/3+ 27 5/6: 2 1/4

12 2/3 +( 27 5/6 : 2 1/4)
27 5/6 : 2 1/4=12 10/27
12 10 /27+12 2/3=25 1/27

[tex]12 \frac{2}{3} + 27 \frac{5}{6} \div 2 \frac{1}{4} \\ = \frac{38}{3} + \frac{167}{6} \div \frac{9}{4} \\ = \frac{38}{3} + \frac{167}{2} \times \frac{4}{9} \\ = \frac{38}{3} + \frac{334}{9} \\ = \frac{114}{9} + \frac{334}{9} \\ = \frac{448}{9} \\ = 49 \frac{8}{9} \\ \\ maaf \: kalau \: ada \: yg \: salah \: ...[/tex]