Basic Math Examples

$\frac{7}{b} - \frac{9}{b}$

Step 1

Combine the numerators over the common denominator.

$\frac{7 - 9}{b}$

Step 2

Simplify the expression.

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Step 2.1

Subtract $9$ from $7$ .

$\frac{- 2}{b}$

Step 2.2

Move the negative in front of the fraction.

$- \frac{2}{b}$