Evaluate
\frac{y}{3}+y_{3}
Factor
\frac{y+3y_{3}}{3}
Graph
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\frac{y}{3}+\frac{3y_{3}}{3}
To add or subtract expressions, expand them to make their denominators the same. Multiply y_{3} times \frac{3}{3}.
\frac{y+3y_{3}}{3}
Since \frac{y}{3} and \frac{3y_{3}}{3} have the same denominator, add them by adding their numerators.
\frac{y+3y_{3}}{3}
Factor out \frac{1}{3}.
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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