Question

А) 5/9+6/7 =
Б) 5/6-3/4 =
В) 2 1/7*2/5-1:1 1/6 =

Answer 1

А)$frac{5}{9}$+$frac{6}{7}=frac{35+56}{63} = frac{91}{63}$$=1 frac{4}{9}$
Б)$frac{5}{6} - frac{3}{4} = frac{10-9}{12} = frac{1}{12}$