13/15div21/6 eching

$$\frac { 13 } { 15 } \div 2 \frac { 1 } { 6 }$$

Baholash

$$\frac{2}{5}=0,4$$

Yechim qadamlari

\frac{13}{15} ni \frac{2\times 6+1}{6} ga bo'lish \frac{13}{15} ga k'paytirish \frac{2\times 6+1}{6} ga qaytarish.

$$\frac{13\times 6}{15\left(2\times 6+1\right)}$$

Surat va maxrajdagi ikkala 3 ni qisqartiring.

$$\frac{2\times 13}{5\left(1+2\times 6\right)}$$

26 hosil qilish uchun 2 va 13 ni ko'paytirish.

$$\frac{26}{5\left(1+2\times 6\right)}$$

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

$$\frac{26}{5\left(1+12\right)}$$

13 olish uchun 1 va 12'ni qo'shing.

$$\frac{26}{5\times 13}$$

65 hosil qilish uchun 5 va 13 ni ko'paytirish.

$$\frac{26}{65}$$

\frac{26}{65} ulushini 13 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{2}{5}$$

Omil

$$\frac{2}{5} = 0,4$$