Simplify (650mg)/(325mg)*2ml

$\frac{650 mg}{325 mg} \cdot 2 m l$

Combine fractions.

$\frac{l m \cdot 2 \cdot 650}{325} \frac{mg}{mg}$

Cancel the common factor of $650$ and $325$ .

Factor $325$ out of $l m \cdot 2 \cdot 650$ .

$\frac{325 (l m \cdot 2 \cdot 2)}{325} \frac{mg}{mg}$

Cancel the common factors.

Factor $325$ out of $325$ .

$\frac{325 (l m \cdot 2 \cdot 2)}{325 (1)} \frac{mg}{mg}$

Cancel the common factor.

$\frac{325 (l m \cdot 2 \cdot 2)}{325 \cdot 1} \frac{mg}{mg}$

Rewrite the expression.

$\frac{l m \cdot 2 \cdot 2}{1} \frac{mg}{mg}$

Divide $l m \cdot 2 \cdot 2$ by $1$ .

$l m \cdot 2 \cdot 2 \frac{mg}{mg}$

Combine fractions.

$l m \cdot 4 \frac{mg}{mg}$

Move $4$ to the left of $l m$ .

$4 \cdot (l m) \frac{mg}{mg}$

Combine $4 \cdot (l m)$ and $\frac{mg}{mg}$ .

$4 \cdot l m \frac{mg}{mg}$

Cancel $mg$ .

$4 l m \frac{mg}{mg}$

Rewrite the expression.

$4 l m \cdot 1$

Multiply $4$ by $1$ .

$4 l m$