Question

помогите с премером дробь 18 1/30 - 17 2/3

Answer 1

$18 frac{1}{30} - 17 frac{2}{3} = 18 frac{1}{30} - 17 frac{20}{30} = 17 frac{31}{30} - 17 frac{20}{30} = frac{11}{30}$