Posted by **Dar** on Sunday, December 9, 2012 at 11:24pm.

I need to find the sum of 2/5 and 3/4. The LCD is 20 so I did 2x4=8 and 3x5=15. so I got 8/20 + 15/20 = 23/20, but this does not match any of the answers I have to pick from. What am I doing wrong?

## Answer This Question

## Related Questions

- Math - I need to find the sum of 1/6 and 1/2. I found the LCD to be 2 so I ...
- Math - Is the LCD of x/2x-4 and 5x/12x-24 not 24(x-2)? The original question is ...
- Algebra - Find the LCD for the given rational expressions, and convert each ...
- math - 4 5/8 + 9 3/5 = need to show how I got answer I know that the Lcd is 40 ...
- SAT Math - A student states that for any positive integer n is the sum of n ...
- math - sin theta = squre roote of 3 over 4 what is the number feared by ...
- Math - what is 4 5/6 + 3 2/3? First I had to find out the LCD which is 12. since...
- LCD - I need a reveiw on how to use the LCD least common denominator to add and ...
- Math - Please help me I am terrible at math, and this is my last class before ...
- Algebra 1-Fractions - Or, eliminating fractions, I should say. So, I need some ...

More Related Questions