Question

3 1/2-1 2/3= 4 5/7-1 2/3= решить примеры с дробями

Answer 1

31/2-12/3=23/2
45/7-12/3=17/7

Answer 2

$3 \frac{1}{2} - 1 \frac{2}{3} = 3 \frac{3}{6} - 1 \frac{4}{6} = 2 \frac{9}{6} - 1 \frac{4}{6} \\ = 1 \frac{5}{6} \\ 4 \frac{5}{7} - 1 \frac{2}{3} = 4 \frac{15}{21} - 1 \frac{14}{21} = 3 \frac{1}{21}$