# Expressing this expression as a single fraction in lowest terms.

• April 26th 2008, 10:13 PM
eraser851
Expressing this expression as a single fraction in lowest terms.
Could someone please explain this problem for me? I'm pretty stumped.

Express as single fraction in lowest terms.
-3+(9t-3z)/(7t)+(7t+4z)/(4t)

Thanks so much for all your help!
• April 26th 2008, 11:28 PM
Moo
Hello,

For example,

$\frac{9t-3z}{7t}=\frac{9{\color{red}t}}{7{\color{red}t}}-\frac{3z}{7t}=\frac 97 - \frac 37 \frac zt$