SOLUTION: Hi I am trying to see a workout for the following 2/3-4/5-(-11/15)+7/10-5/2. I have the answer in my book but I don't want to move on until I can see how they came up with -6/5 tha

Algebra ->  Numeric Fractions Calculators, Lesson and Practice -> SOLUTION: Hi I am trying to see a workout for the following 2/3-4/5-(-11/15)+7/10-5/2. I have the answer in my book but I don't want to move on until I can see how they came up with -6/5 tha      Log On


   

Question 555605: Hi I am trying to see a workout for the following 2/3-4/5-(-11/15)+7/10-5/2. I have the answer in my book but I don't want to move on until I can see how they came up with -6/5 thank you .
Answer by Maths68(1474) About Me  (Show Source):
You can put this solution on YOUR website!
=2%2F3-4%2F5-%28-11%2F15%29%2B7%2F10-5%2F2
=2%2F3-4%2F5%2B11%2F15%2B7%2F10-5%2F2
Take LCD of 3,5,15,10,2
=%28%282%29%2810%29-%284%29%286%29%2B%2811%29%282%29%2B%287%29%283%29-%285%29%2815%29%29%2F30
=%2820-24%2B22%2B21-75%29%2F30
=%2863-99%29%2F30
=-36%2F30
=cross%28-36%29%2Fcross%2830%29
=-6%2F5