Question

помогите 2 ))))((((((((((

Answer 1

$1)8 frac{1}{3} - 7frac{1}{4} =8 frac{4}{12}-7 frac{3}{12}=1 frac{1}{12} \ 2)1 frac{1}{12} +5 frac{1}{6} =1 frac{1}{12} +5 frac{2}{12} =6 frac{3}{12} =6 frac{1}{4} \ 3) 9 frac{2}{5} -6 frac{1}{4} =9 frac{8}{20} -6 frac{5}{20} =3 frac{3}{20}$

ответ :$3 frac{3}{20}$