Evaluate
\frac{x}{12}+1
Factor
\frac{x+12}{12}
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\frac{12}{12}+\frac{x}{12}
To add or subtract expressions, expand them to make their denominators the same. Multiply 1 times \frac{12}{12}.
\frac{12+x}{12}
Since \frac{12}{12} and \frac{x}{12} have the same denominator, add them by adding their numerators.
\frac{12+x}{12}
Factor out \frac{1}{12}.
Examples
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Matrix
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Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
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Integration
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Limits
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