1/6-3/5-2/9 eching

$$\frac { 1 } { 6 } - \frac { 3 } { 5 } - \frac { 2 } { 9 }$$

Baholash

$$-\frac{59}{90}\approx -0,655555556$$

Yechim qadamlari

6 va 5 ning eng kichik umumiy karralisi 30 ga teng. \frac{1}{6} va \frac{3}{5} ni 30 maxraj bilan kasrlarga aylantirib oling.

$$\frac{5}{30}-\frac{18}{30}-\frac{2}{9}$$

\frac{5}{30} va \frac{18}{30} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.

$$\frac{5-18}{30}-\frac{2}{9}$$

-13 olish uchun 5 dan 18 ni ayirish.

$$-\frac{13}{30}-\frac{2}{9}$$

30 va 9 ning eng kichik umumiy karralisi 90 ga teng. -\frac{13}{30} va \frac{2}{9} ni 90 maxraj bilan kasrlarga aylantirib oling.

$$-\frac{39}{90}-\frac{20}{90}$$

-\frac{39}{90} va \frac{20}{90} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.

$$\frac{-39-20}{90}$$

-59 olish uchun -39 dan 20 ni ayirish.

$$-\frac{59}{90}$$

Omil

$$-\frac{59}{90} = -0,6555555555555556$$