39/12+26/10+3/20 eching

$$\frac { 39 } { 12 } + \frac { 26 } { 10 } + \frac { 3 } { 20 }$$

Baholash

$$6$$

Yechim qadamlari

\frac{39}{12} ulushini 3 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{13}{4}+\frac{26}{10}+\frac{3}{20}$$

\frac{26}{10} ulushini 2 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{13}{4}+\frac{13}{5}+\frac{3}{20}$$

4 va 5 ning eng kichik umumiy karralisi 20 ga teng. \frac{13}{4} va \frac{13}{5} ni 20 maxraj bilan kasrlarga aylantirib oling.

$$\frac{65}{20}+\frac{52}{20}+\frac{3}{20}$$

\frac{65}{20} va \frac{52}{20} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$\frac{65+52}{20}+\frac{3}{20}$$

117 olish uchun 65 va 52'ni qo'shing.

$$\frac{117}{20}+\frac{3}{20}$$

\frac{117}{20} va \frac{3}{20} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$\frac{117+3}{20}$$

120 olish uchun 117 va 3'ni qo'shing.

$$\frac{120}{20}$$

6 ni olish uchun 120 ni 20 ga bo‘ling.

$$6$$

Omil

$$2\times 3$$