53/4-21/4 eching

$$5 \frac { 3 } { 4 } - 2 \frac { 1 } { 4 }$$

Baholash

$$\frac{7}{2}=3,5$$

Yechim qadamlari

20 hosil qilish uchun 5 va 4 ni ko'paytirish.

$$\frac{20+3}{4}-\frac{2\times 4+1}{4}$$

23 olish uchun 20 va 3'ni qo'shing.

$$\frac{23}{4}-\frac{2\times 4+1}{4}$$

8 hosil qilish uchun 2 va 4 ni ko'paytirish.

$$\frac{23}{4}-\frac{8+1}{4}$$

9 olish uchun 8 va 1'ni qo'shing.

$$\frac{23}{4}-\frac{9}{4}$$

\frac{23}{4} va \frac{9}{4} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.

$$\frac{23-9}{4}$$

14 olish uchun 23 dan 9 ni ayirish.

$$\frac{14}{4}$$

\frac{14}{4} ulushini 2 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{7}{2}$$

Omil

$$\frac{7}{2} = 3\frac{1}{2} = 3,5$$