Question

Помогите зделать 1-2 задание

Answer 1

$1)1.7 + \frac{7}{9} = \frac{17}{10} + \frac{7}{5} = \frac{31}{10} =3 \frac{1}{10} \\ 2) \frac{2}{3} + 2.3 = \frac{2}{3} + \frac{23}{10} = \frac{89}{30} = 2 \frac{29}{30}$