Skip to main content
Evaluate
Tick mark Image
Factor
Tick mark Image
Graph

Similar Problems from Web Search

Share

\frac{7\times 4x}{21}+\frac{2\times 3}{21}
To add or subtract expressions, expand them to make their denominators the same. Least common multiple of 3 and 7 is 21. Multiply \frac{4x}{3} times \frac{7}{7}. Multiply \frac{2}{7} times \frac{3}{3}.
\frac{7\times 4x+2\times 3}{21}
Since \frac{7\times 4x}{21} and \frac{2\times 3}{21} have the same denominator, add them by adding their numerators.
\frac{28x+6}{21}
Do the multiplications in 7\times 4x+2\times 3.
\frac{2\left(14x+3\right)}{21}
Factor out \frac{2}{21}.