Question

срочно оченьь,жду ответ​

Answer 1

Ответ:

$\frac{20}{21} + 1 \frac{5}{7} = \frac{20}{21} + \frac{12}{7} = \frac{20}{21} + \frac{36}{21} = \frac{56}{21} = 2 \frac{14}{21} = 2 \frac{2}{3}$

Answer 2

Будет 35/21 =1,14/21