-21/3+7/8 eching

$$- 2 \frac { 1 } { 3 } + \frac { 7 } { 8 }$$

Baholash

$$-\frac{35}{24}\approx -1,458333333$$

Yechim qadamlari

6 hosil qilish uchun 2 va 3 ni ko'paytirish.

$$-\frac{6+1}{3}+\frac{7}{8}$$

7 olish uchun 6 va 1'ni qo'shing.

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

3 va 8 ning eng kichik umumiy karralisi 24 ga teng. -\frac{7}{3} va \frac{7}{8} ni 24 maxraj bilan kasrlarga aylantirib oling.

$$-\frac{56}{24}+\frac{21}{24}$$

-\frac{56}{24} va \frac{21}{24} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$\frac{-56+21}{24}$$

-35 olish uchun -56 va 21'ni qo'shing.

$$-\frac{35}{24}$$

Omil

$$-\frac{35}{24} = -1\frac{11}{24} = -1,4583333333333333$$