Evaluate
\frac{3y}{10}+2x
Factor
\frac{20x+3y}{10}
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\frac{10\times 2x}{10}+\frac{3y}{10}
To add or subtract expressions, expand them to make their denominators the same. Multiply 2x times \frac{10}{10}.
\frac{10\times 2x+3y}{10}
Since \frac{10\times 2x}{10} and \frac{3y}{10} have the same denominator, add them by adding their numerators.
\frac{20x+3y}{10}
Do the multiplications in 10\times 2x+3y.
\frac{20x+3y}{10}
Factor out \frac{1}{10}.
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Limits
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