Question

помогите пожалуйста......

Answer 1

1)
$frac{7}{22}+ frac{14}{11} = frac{7+2*14}{22} = frac{7+28}{22} = frac{35}{22}$
2)
$frac{35}{22} : frac{10}{33} = frac{35*33}{22*10} = frac{7*3}{2*2} = frac{21}{4} =5 frac{1}{4} =5,25$