What's 2/3 + 4/5

What's 2/3 + 4/5

$$\small{\text{
$
\frac{2}{3} + \frac{4}{5}$
}}
\small{\text{
$
=\frac{2}{3} *\frac{5}{5}
+ \frac{4}{5}* \frac{3}{3}
$
}}
\small{\text{
$
=\frac{10}{15}+ \frac{12}{15}
$
}}
\small{\text{
$
=\frac{10+12}{15}
$
}}
\small{\text{
$
=\frac{10+12}{15}$
}}
\small{\text{
$
=\dfrac{22}{15}$
}}$$