K karlo New member Joined Jul 5, 2010 Messages 14 Jul 7, 2010 #1 1/3[4(-5)+(-7)]. i dont know how to deal with fraction. my answer is -27.will i divide or multiply it with 3. pls. help
1/3[4(-5)+(-7)]. i dont know how to deal with fraction. my answer is -27.will i divide or multiply it with 3. pls. help
B BigGlenntheHeavy Senior Member Joined Mar 8, 2009 Messages 1,577 Jul 7, 2010 #2 \(\displaystyle \frac{[4(-5)+(-7)]}{3} \ = \ \frac{[-20-7]}{3} \ = \ \frac{-27}{3} \ = \ -9\)
