11/2+2/5=13/4 eching

$$1 \frac { 1 } { 2 } + \frac { 2 } { 5 } = 1 \frac { 3 } { 4 }$$

Tasdiqlamoq

Yechim qadamlari

Tenglamaning ikkala tarafini 20 ga, 2,5,4 ning eng kichik karralisiga ko‘paytiring.

$$10\left(1\times 2+1\right)+8=5\left(1\times 4+3\right)$$

2 hosil qilish uchun 1 va 2 ni ko'paytirish.

$$10\left(2+1\right)+8=5\left(1\times 4+3\right)$$

3 olish uchun 2 va 1'ni qo'shing.

$$10\times 3+8=5\left(1\times 4+3\right)$$

30 hosil qilish uchun 10 va 3 ni ko'paytirish.

$$30+8=5\left(1\times 4+3\right)$$

38 olish uchun 30 va 8'ni qo'shing.

$$38=5\left(1\times 4+3\right)$$

4 hosil qilish uchun 1 va 4 ni ko'paytirish.

$$38=5\left(4+3\right)$$

7 olish uchun 4 va 3'ni qo'shing.

$$38=5\times 7$$

35 hosil qilish uchun 5 va 7 ni ko'paytirish.

$$38=35$$

38 va 35 ni taqqoslang.

$$\text{false}$$