71/2-6/7 eching

$$7 \frac { 1 } { 2 } - \frac { 6 } { 7 }$$

Baholash

$$\frac{93}{14}\approx 6,642857143$$

Yechim qadamlari

14 hosil qilish uchun 7 va 2 ni ko'paytirish.

$$\frac{14+1}{2}-\frac{6}{7}$$

15 olish uchun 14 va 1'ni qo'shing.

$$\frac{15}{2}-\frac{6}{7}$$

2 va 7 ning eng kichik umumiy karralisi 14 ga teng. \frac{15}{2} va \frac{6}{7} ni 14 maxraj bilan kasrlarga aylantirib oling.

$$\frac{105}{14}-\frac{12}{14}$$

\frac{105}{14} va \frac{12}{14} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.

$$\frac{105-12}{14}$$

93 olish uchun 105 dan 12 ni ayirish.

$$\frac{93}{14}$$

Omil

$$\frac{3 \cdot 31}{2 \cdot 7} = 6\frac{9}{14} = 6,642857142857143$$