Question

2,4помогите пожалуйста

Answer 1

$2) 4*\frac{3}{20}= \frac{4*3}{20} = \frac{12}{20} = \frac{3}{5}\\\\4) 14*\frac{7}{16} =\frac{14*7}{16} = \frac{98}{16}= \frac{49}{8} =\frac{6*8+1}{8} = 6\frac{1}{8}$