Question

EFETUE
15/4÷2/3+8/5÷3/20
me ajudemm pfvvvvvvv​
e matemática botei biologia sem querer

Answer 1

$\frac{15}{4} \div \frac{2}{3} + \frac{8}{5} \div \frac{3}{20}$

$\frac{15}{4} \times \frac{3}{2} + \frac{8}{5} \times \frac{20}{3}$

$\frac{15}{4} \times \frac{3}{2} + 8 \times \frac{4}{3}$

$\frac{45}{8} + 8 \times \frac{4}{3}$

$\frac{45}{8} + \frac{32}{3}$

$\frac{45 \times 3 + 32 \times 8}{8 \times 3}$

$\frac{135 + 256}{24}$

$\frac{391}{24}$