Question

помогите с решением
a) 12/19-4/19-5/19;

b) 25/23-10/23+3/23

Answer 1

$a) \frac{12}{19} -\frac{4}{19} - \frac{5}{19} = \frac{12 - 4 - 5}{19} = \frac{3}{19} \\ b) \frac{25}{23} - \frac{10}{23} + \frac{3}{23} = \frac{25 - 10 + 3}{23} = \frac{18}{23}$