Evaluate
-\frac{4B}{t}+9
Factor
\frac{9t-4B}{t}
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9-\frac{4B}{t}
Express \frac{4}{t}B as a single fraction.
\frac{9t}{t}-\frac{4B}{t}
To add or subtract expressions, expand them to make their denominators the same. Multiply 9 times \frac{t}{t}.
\frac{9t-4B}{t}
Since \frac{9t}{t} and \frac{4B}{t} have the same denominator, subtract them by subtracting their numerators.
Examples
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Matrix
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Simultaneous equation
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Differentiation
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Integration
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Limits
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