☁️Hola☁️
[tex]\left(\frac{2}{3}+\frac{1}{5}\right)+\left(\frac{1}{9}\div \frac{2}{7}\right)=1\frac{23}{90}[/tex]
[tex]=\frac{13}{15}+\left(\frac{1}{9}\div \frac{2}{7}\right)[/tex]
[tex]=\frac{13}{15}+\frac{7}{18}[/tex]
[tex]=\frac{113}{90}[/tex]
[tex]1\frac{23}{90}[/tex]
[tex]\left(\frac{2}{3}\right)^3-\frac{1}{9}+\frac{1}{4}=\frac{47}{108}\quad \left(\mathrm{Decimal:\quad }\:0.43518\dots \right)[/tex]
[tex]\left(\frac{2}{3}\right)^3-\frac{1}{9}+\frac{1}{4}[/tex]
[tex]=\frac{32}{108}-\frac{12}{108}+\frac{27}{108}[/tex]
[tex]=\frac{32-12+27}{108}[/tex]
[tex]=\frac{47}{108}[/tex]
✉️:✨2Scratch✨
