13. Ko‘paytiring. a) $\frac{2}{3}\times\frac{6}{7}$; b) $\frac{9}{10}\times\frac{5}{3}$.

Question

Вопрос: $Фото задания: 13. Ko‘paytiring. a) $\frac{2}{3}\times\frac{6}{7}$; b) $\frac{9}{10}\times\frac{5}{3}$.$ Фото задания

Accepted Answer

a) $\frac{2}{3}\times\frac{6}{7}=\frac{2\cdot6}{3\cdot7}=\frac{12}{21}=\frac{4}{7}$.

b) $\frac{9}{10}\times\frac{5}{3}=\frac{9\cdot5}{10\cdot3}=\frac{45}{30}=\frac{3}{2}=1\frac{1}{2}$.

Javob: a) $\frac{4}{7}$; b) $\frac{3}{2}=1\frac{1}{2}$.

13. Ko‘paytiring. a) \(\frac{2}{3}\times\frac{6}{7}\); b) \(\frac{9}{10}\times\frac{5}{3}\).