Question

Помогите пожалуйста! ​

Answer 1

• $\frac{3}{5} -\frac{2}{15} =\frac{9}{15} -\frac{2}{15} =\frac{7}{15}$

• $\frac{9}{12} -\frac{1}{3} = \frac{9}{12} - \frac{4}{12} = \frac{5}{12}$
• $\frac{7}{16} -\frac{1}{4} = \frac{7}{16} - \frac{4}{16} = \frac{3}{16}$