Evaluate
\frac{5a+4b}{3ab}
Factor
\frac{\frac{5a}{b}+4}{3a}
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\frac{4b}{3ab}+\frac{5a}{3ab}
To add or subtract expressions, expand them to make their denominators the same. Least common multiple of 3a and 3b is 3ab. Multiply \frac{4}{3a} times \frac{b}{b}. Multiply \frac{5}{3b} times \frac{a}{a}.
\frac{4b+5a}{3ab}
Since \frac{4b}{3ab} and \frac{5a}{3ab} have the same denominator, add them by adding their numerators.
Examples
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Matrix
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Simultaneous equation
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Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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