Basic Math Examples

$9 - 3 \div \frac{1}{3 + 1}$

Step 1

Simplify each term.

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Step 1.1

To divide by a fraction, multiply by its reciprocal.

$9 - (3 (3 + 1))$

Step 1.2

Add $3$ and $1$ .

$9 - (3 \cdot 4)$

Step 1.3

Multiply $- (3 \cdot 4)$ .

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Step 1.3.1

Multiply $3$ by $4$ .

$9 - 1 \cdot 12$

Step 1.3.2

Multiply $- 1$ by $12$ .

$9 - 12$

Step 2

Subtract $12$ from $9$ .

$- 3$