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\frac{15x-12}{5x-4}
Since \frac{15x}{5x-4} and \frac{12}{5x-4} have the same denominator, subtract them by subtracting their numerators.
\frac{3\left(5x-4\right)}{5x-4}
Factor the expressions that are not already factored in \frac{15x-12}{5x-4}.
3
Cancel out 5x-4 in both numerator and denominator.
Examples
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Simultaneous equation
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Integration
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Limits
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