93/5-86/7=? eching

$$9 \frac { 3 } { 5 } - 8 \frac { 6 } { 7 } = ?$$

Baholash

$$\frac{26}{35}\approx 0,742857143$$

Yechim qadamlari

45 hosil qilish uchun 9 va 5 ni ko'paytirish.

$$\frac{45+3}{5}-\frac{8\times 7+6}{7}$$

48 olish uchun 45 va 3'ni qo'shing.

$$\frac{48}{5}-\frac{8\times 7+6}{7}$$

56 hosil qilish uchun 8 va 7 ni ko'paytirish.

$$\frac{48}{5}-\frac{56+6}{7}$$

62 olish uchun 56 va 6'ni qo'shing.

$$\frac{48}{5}-\frac{62}{7}$$

5 va 7 ning eng kichik umumiy karralisi 35 ga teng. \frac{48}{5} va \frac{62}{7} ni 35 maxraj bilan kasrlarga aylantirib oling.

$$\frac{336}{35}-\frac{310}{35}$$

\frac{336}{35} va \frac{310}{35} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.

$$\frac{336-310}{35}$$

26 olish uchun 336 dan 310 ni ayirish.

$$\frac{26}{35}$$

Omil

$$\frac{2 \cdot 13}{5 \cdot 7} = 0,7428571428571429$$