7/9div5/18*3/4 eching

$$\frac { 7 } { 9 } \div \frac { 5 } { 18 } \times \frac { 3 } { 4 }$$

Baholash

$$\frac{21}{10}=2,1$$

Yechim qadamlari

\frac{7}{9} ni \frac{5}{18} ga bo'lish \frac{7}{9} ga k'paytirish \frac{5}{18} ga qaytarish.

$$\frac{7}{9}\times \frac{18}{5}\times \frac{3}{4}$$

Suratni maxrajga va maxrajini suratga ko‘paytirish orqali \frac{7}{9} ni \frac{18}{5} ga ko‘paytiring.

$$\frac{7\times 18}{9\times 5}\times \frac{3}{4}$$

\frac{7\times 18}{9\times 5} kasridagi ko‘paytirishlarni bajaring.

$$\frac{126}{45}\times \frac{3}{4}$$

\frac{126}{45} ulushini 9 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{14}{5}\times \frac{3}{4}$$

Suratni maxrajga va maxrajini suratga ko‘paytirish orqali \frac{14}{5} ni \frac{3}{4} ga ko‘paytiring.

$$\frac{14\times 3}{5\times 4}$$

\frac{14\times 3}{5\times 4} kasridagi ko‘paytirishlarni bajaring.

$$\frac{42}{20}$$

\frac{42}{20} ulushini 2 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{21}{10}$$

Omil

$$\frac{3 \cdot 7}{2 \cdot 5} = 2\frac{1}{10} = 2,1$$