Evaluate
\frac{9}{40}+\frac{11}{5q}
Factor
\frac{9q+88}{40q}
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\frac{9q}{40q}+\frac{11\times 8}{40q}
To add or subtract expressions, expand them to make their denominators the same. Least common multiple of 40 and 5q is 40q. Multiply \frac{9}{40} times \frac{q}{q}. Multiply \frac{11}{5q} times \frac{8}{8}.
\frac{9q+11\times 8}{40q}
Since \frac{9q}{40q} and \frac{11\times 8}{40q} have the same denominator, add them by adding their numerators.
\frac{9q+88}{40q}
Do the multiplications in 9q+11\times 8.
Examples
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Limits
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