Basic Math Examples

$\frac{d}{d - 2} + \frac{d}{2 - d}$

Step 1

Rewrite $2$ as $- 1 (- 2)$ .

$\frac{d}{d - 2} + \frac{d}{- 1 (- 2) - d}$

Step 2

Factor $- 1$ out of $- d$ .

$\frac{d}{d - 2} + \frac{d}{- 1 (- 2) - (d)}$

Step 3

Factor $- 1$ out of $- 1 (- 2) - (d)$ .

$\frac{d}{d - 2} + \frac{d}{- 1 (- 2 + d)}$

Step 4

Simplify the expression.

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Step 4.1

Move a negative from the denominator of $\frac{d}{- 1 (- 2 + d)}$ to the numerator.

$\frac{d}{d - 2} + \frac{- d}{- 2 + d}$

Step 4.2

Reorder terms.

$\frac{d}{d - 2} + \frac{- d}{d - 2}$

Step 5

Combine the numerators over the common denominator.

$\frac{d - d}{d - 2}$

Step 6

Subtract $d$ from $d$ .

$\frac{0}{d - 2}$

Step 7

Divide $0$ by $d - 2$ .

$0$