Evaluate
\frac{37}{63x}
Differentiate w.r.t. x
-\frac{37}{63x^{2}}
Graph
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\frac{4\times 7}{63x}+\frac{9}{63x}
To add or subtract expressions, expand them to make their denominators the same. Least common multiple of 9x and 7x is 63x. Multiply \frac{4}{9x} times \frac{7}{7}. Multiply \frac{1}{7x} times \frac{9}{9}.
\frac{4\times 7+9}{63x}
Since \frac{4\times 7}{63x} and \frac{9}{63x} have the same denominator, add them by adding their numerators.
\frac{28+9}{63x}
Do the multiplications in 4\times 7+9.
\frac{37}{63x}
Do the calculations in 28+9.
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