5/27+4/12+2/9 eching

$$\frac { 5 } { 27 } + \frac { 4 } { 12 } + \frac { 2 } { 9 }$$

Baholash

$$\frac{20}{27}\approx 0,740740741$$

Yechim qadamlari

\frac{4}{12} ulushini 4 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{5}{27}+\frac{1}{3}+\frac{2}{9}$$

27 va 3 ning eng kichik umumiy karralisi 27 ga teng. \frac{5}{27} va \frac{1}{3} ni 27 maxraj bilan kasrlarga aylantirib oling.

$$\frac{5}{27}+\frac{9}{27}+\frac{2}{9}$$

\frac{5}{27} va \frac{9}{27} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$\frac{5+9}{27}+\frac{2}{9}$$

14 olish uchun 5 va 9'ni qo'shing.

$$\frac{14}{27}+\frac{2}{9}$$

27 va 9 ning eng kichik umumiy karralisi 27 ga teng. \frac{14}{27} va \frac{2}{9} ni 27 maxraj bilan kasrlarga aylantirib oling.

$$\frac{14}{27}+\frac{6}{27}$$

\frac{14}{27} va \frac{6}{27} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$\frac{14+6}{27}$$

20 olish uchun 14 va 6'ni qo'shing.

$$\frac{20}{27}$$

Omil

$$\frac{2 ^ {2} \cdot 5}{3 ^ {3}} = 0,7407407407407407$$