Finite Math Examples

$- \frac{1}{3} - (- \frac{2}{9})$

Step 1

Multiply $- (- \frac{2}{9})$ .

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Step 1.1

Multiply $- 1$ by $- 1$ .

$- \frac{1}{3} + 1 (\frac{2}{9})$

Step 1.2

Multiply $\frac{2}{9}$ by $1$ .

$- \frac{1}{3} + \frac{2}{9}$

Step 2

To write $- \frac{1}{3}$ as a fraction with a common denominator, multiply by $\frac{3}{3}$ .

$- \frac{1}{3} \cdot \frac{3}{3} + \frac{2}{9}$

Step 3

Write each expression with a common denominator of $9$ , by multiplying each by an appropriate factor of $1$ .

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Step 3.1

Multiply $\frac{1}{3}$ by $\frac{3}{3}$ .

$- \frac{3}{3 \cdot 3} + \frac{2}{9}$

Step 3.2

Multiply $3$ by $3$ .

$- \frac{3}{9} + \frac{2}{9}$

Step 4

Combine the numerators over the common denominator.

$\frac{- 3 + 2}{9}$

Step 5

Add $- 3$ and $2$ .

$\frac{- 1}{9}$

Step 6

Move the negative in front of the fraction.

$- \frac{1}{9}$

Step 7

The result can be shown in multiple forms.

Exact Form:

$- \frac{1}{9}$

Decimal Form:

$- 0.\overline{1}$