Finite Math Examples

$- \frac{4}{21} \cdot (- \frac{3}{4})$

Step 1

Cancel the common factor of $4$ .

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Step 1.1

Move the leading negative in $- \frac{4}{21}$ into the numerator.

$\frac{- 4}{21} \cdot (- \frac{3}{4})$

Step 1.2

Move the leading negative in $- \frac{3}{4}$ into the numerator.

$\frac{- 4}{21} \cdot \frac{- 3}{4}$

Step 1.3

Factor $4$ out of $- 4$ .

$\frac{4 (- 1)}{21} \cdot \frac{- 3}{4}$

Step 1.4

Cancel the common factor.

$\frac{4 \cdot - 1}{21} \cdot \frac{- 3}{4}$

Step 1.5

Rewrite the expression.

$\frac{- 1}{21} \cdot - 3$

Step 2

Cancel the common factor of $3$ .

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Step 2.1

Factor $3$ out of $21$ .

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

Step 2.2

Factor $3$ out of $- 3$ .

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

Step 2.3

Cancel the common factor.

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

Step 2.4

Rewrite the expression.

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

Step 3

Combine $\frac{- 1}{7}$ and $- 1$ .

$\frac{- - 1}{7}$

Step 4

Multiply $- 1$ by $- 1$ .

$\frac{1}{7}$

Step 5

The result can be shown in multiple forms.

Exact Form:

$\frac{1}{7}$

Decimal Form:

$0.\overline{142857}$