Thursday
April 24, 2014

Homework Help: math

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

First Name:
School Subject:
Answer:

Related Questions

Algebra - I have a few problems I need some help with. The first is Evaluate ...
Math 8th grade - I NEED THESE IN ALGEBRAIC EXPRESSION!! The larger of two sums ...
Math - To add 32 + 56, Juanita first added 30 + 50. What steps does she still ...
math - Make the largest and smallest numbers you can find using the digits: 4,1...
Math - The sum of 16terms oe an A.P is -504,while the sum of its 9terms is -126....
math - find the sum of each of the following infinite series, if no sum, write ...
math - write 3 different ones numbers you could add to 15 where you need to ...
math URGENT!!!! - i have a list of 5 different numbers. the sum of 2 of the ...
math - Find the two numbers that multiply to the product number and add to the ...
math - explain how you can find the sum 25 + 59 without paper, pencil or ...

Search
Members