7/8*12/11-3/8*11/12 eching

$$\frac { 7 } { 8 } \times \frac { 12 } { 11 } - \frac { 3 } { 8 } \times \frac { 11 } { 12 }$$

Baholash

$$\frac{215}{352}\approx 0,610795455$$

Yechim qadamlari

Suratni maxrajga va maxrajini suratga ko‘paytirish orqali \frac{7}{8} ni \frac{12}{11} ga ko‘paytiring.

$$\frac{7\times 12}{8\times 11}-\frac{3}{8}\times \frac{11}{12}$$

\frac{7\times 12}{8\times 11} kasridagi ko‘paytirishlarni bajaring.

$$\frac{84}{88}-\frac{3}{8}\times \frac{11}{12}$$

\frac{84}{88} ulushini 4 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{21}{22}-\frac{3}{8}\times \frac{11}{12}$$

Suratni maxrajga va maxrajini suratga ko‘paytirish orqali \frac{3}{8} ni \frac{11}{12} ga ko‘paytiring.

$$\frac{21}{22}-\frac{3\times 11}{8\times 12}$$

\frac{3\times 11}{8\times 12} kasridagi ko‘paytirishlarni bajaring.

$$\frac{21}{22}-\frac{33}{96}$$

\frac{33}{96} ulushini 3 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{21}{22}-\frac{11}{32}$$

22 va 32 ning eng kichik umumiy karralisi 352 ga teng. \frac{21}{22} va \frac{11}{32} ni 352 maxraj bilan kasrlarga aylantirib oling.

$$\frac{336}{352}-\frac{121}{352}$$

\frac{336}{352} va \frac{121}{352} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.

$$\frac{336-121}{352}$$

215 olish uchun 336 dan 121 ni ayirish.

$$\frac{215}{352}$$

Omil

$$\frac{5 \cdot 43}{2 ^ {5} \cdot 11} = 0,6107954545454546$$