Precalculus Examples

$\frac{3}{1 - \frac{1}{2}}$

Step 1

Simplify the denominator.

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Step 1.1

Write $1$ as a fraction with a common denominator.

$\frac{3}{\frac{2}{2} - \frac{1}{2}}$

Step 1.2

Combine the numerators over the common denominator.

$\frac{3}{\frac{2 - 1}{2}}$

Step 1.3

Subtract $1$ from $2$ .

$\frac{3}{\frac{1}{2}}$

Step 2

Multiply the numerator by the reciprocal of the denominator.

$3 \cdot 2$

Step 3

Multiply $3$ by $2$ .

$6$