1/8 + 1/12 + 3/8 + 5/12, 5/11 + 2/3 + 1/9 + 6/11 найдите значение выражений

1. [latex] \frac{1}{8} + \frac{1}{12} + \frac{3}{8} + \frac{5}{12} =( \frac{1}{8} + \frac{3}{8})+( \frac{1}{12} + \frac{5}{12} )= \frac{4}{8} + \frac{16}{12} = \frac{1}{2} + \frac{1}{2} =1\\[/latex] 2. [latex] \frac{5}{11} + \frac{2}{3} + \frac{1}{9} + \frac{6}{11} =( \frac{5}{11} + \frac{6}{11} )+( \frac{4}{9} + \frac{1}{9} )= \frac{11}{11} + \frac{5}{9} =1 \frac{5}{9} [/latex]