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\frac{2+4}{7}-\frac{6}{7}
Since \frac{2}{7} and \frac{4}{7} have the same denominator, add them by adding their numerators.
\frac{6}{7}-\frac{6}{7}
Add 2 and 4 to get 6.
0
Subtract \frac{6}{7} from \frac{6}{7} to get 0.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
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y = 3x + 4
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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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