3. Ko‘paytiring. a) \(\frac{2}{3}\times\frac{7}{3}=\) b) \(\frac{4}{5}\times\frac{8}{5}=\)

Kasrlarni ko‘paytirishda suratlar va maxrajlar ko‘paytiriladi; qisqarmaydigan natijalar shu holicha yoziladi.

1. а) \(\frac{2}{3}\times\frac{7}{3}=\frac{2\cdot7}{3\cdot3}=\frac{14}{9}\).
2. б) \(\frac{4}{5}\times\frac{8}{5}=\frac{4\cdot8}{5\cdot5}=\frac{32}{25}\).

Javob: а) \(\frac{14}{9}\); б) \(\frac{32}{25}\).