What's 2/3 + 4/5

What's 2/3 + 4/5

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