11/2-7/8 eching

$$1 \frac { 1 } { 2 } - \frac { 7 } { 8 }$$

Baholash

$$\frac{5}{8}=0,625$$

Yechim qadamlari

2 hosil qilish uchun 1 va 2 ni ko'paytirish.

$$\frac{2+1}{2}-\frac{7}{8}$$

3 olish uchun 2 va 1'ni qo'shing.

$$\frac{3}{2}-\frac{7}{8}$$

2 va 8 ning eng kichik umumiy karralisi 8 ga teng. \frac{3}{2} va \frac{7}{8} ni 8 maxraj bilan kasrlarga aylantirib oling.

$$\frac{12}{8}-\frac{7}{8}$$

\frac{12}{8} va \frac{7}{8} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.

$$\frac{12-7}{8}$$

5 olish uchun 12 dan 7 ni ayirish.

$$\frac{5}{8}$$

Omil

$$\frac{5}{2 ^ {3}} = 0,625$$