Question

Помогите,пожалуйста. (3 целых 1/6 минус 2 целых 7/15):1 целую 2/5.

Answer 1

3 1/6 - 2 7/15 = 7/10
7/10 : 1 2/5 = 1/2

Answer 2

$frac{3}{6} * frac{1}{1} = frac{3}{6} = frac{1}{2}$$(3 frac{1}{6} - 2frac{7}{15} ): 1frac{2}{5}= (3 frac{5}{30} - 2frac{14}{30} ): 1frac{2}{5}=( frac{95}{30} - frac{74}{30} ): 1frac{2}{5}=frac{21}{30} : frac{7}{5}= frac{21}{30} * frac{5}{7} =$