Basic Math Examples

$- \frac{3}{7} \cdot \frac{4}{9}$

Step 1

Cancel the common factor of $3$ .

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Step 1.1

Move the leading negative in $- \frac{3}{7}$ into the numerator.

$\frac{- 3}{7} \cdot \frac{4}{9}$

Step 1.2

Factor $3$ out of $- 3$ .

$\frac{3 (- 1)}{7} \cdot \frac{4}{9}$

Step 1.3

Factor $3$ out of $9$ .

$\frac{3 \cdot - 1}{7} \cdot \frac{4}{3 \cdot 3}$

Step 1.4

Cancel the common factor.

$\frac{3 \cdot - 1}{7} \cdot \frac{4}{3 \cdot 3}$

Step 1.5

Rewrite the expression.

$\frac{- 1}{7} \cdot \frac{4}{3}$

$\frac{- 1}{7} \cdot \frac{4}{3}$

Step 2

Multiply $\frac{- 1}{7}$ by $\frac{4}{3}$ .

$\frac{- 1 \cdot 4}{7 \cdot 3}$

Step 3

Simplify the expression.

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Step 3.1

Multiply $- 1$ by $4$ .

$\frac{- 4}{7 \cdot 3}$

Step 3.2

Multiply $7$ by $3$ .

$\frac{- 4}{21}$

Step 3.3

Move the negative in front of the fraction.

$- \frac{4}{21}$

$- \frac{4}{21}$

Step 4

The result can be shown in multiple forms.

Exact Form:

$- \frac{4}{21}$

Decimal Form:

$- 0.\overline{190476}$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$