multiply. 3 $1\\frac{3}{5} \\times 2\\frac{1}{2}$

$multiply. 3 $1\\frac{3}{5} \\times 2\\frac{1}{2}$$

multiply.
3
$1\frac{3}{5} \times 2\frac{1}{2}$

$1\frac{3}{5} = \frac{1\times5 + 3}{5} = \frac{8}{5}$, $2\frac{1}{2} = \frac{2\times2 + 1}{2} = \frac{5}{2}$

$\frac{8}{5} \times \frac{5}{2} = \frac{8\times5}{5\times2}$

$\frac{40}{10} = 4$

$4$